Gretchen Walters
Professeure associée

Université de Lausanne
Institut de géographie et durabilité
Mouline - Géopolis 3612
CH-1015 Lausanne
 
 
 
Tél. +41 21 692 3072
gretchen.walters@unil.ch
90 Publications:

Community biocultural mapping reveals historical occupation and enables defense of African rainforests
Auteur(s) : Massaha, Ibola Dja Bana Ba; Koto, Serge Ekazama; Walters, Gretchen M.; Mabo, Honorine Asatsi; Makala, Fulbert; Azeon, Paulin Ndanga; Mabo, Jean; Mandoumilele, Philippe N.; Hendje, Jean P.; Djia, Dieu-Donné Baza; Betotobeya, HB; Ndongoabendje, Modeste; Maïdji, Ernest; Maloumambomba, Story; Koumokoukou, Djiese; Kotomoukaye, Germain; Mbengoy, Fulgence; Bobouagno, Boris; Bopounda, Garance; Ngouba, Dieu-Donné; Akouboua, Yanick; Haya, Mathurien; Bleck, Steeven Mabe; Djabouemi, Gervais; Bobeloubouangoy, Aimé J.; Malingui, Vincent; Ikakaboua,...
Abstract : Global conservation maps often overlook community lands, impacting decision-making and reducing local agency. We focus on the high-profile and regionally important case of Massaha's ancestral...
Date de publication : 2026-02-20
DOI : 10.1007/s13280-025-02334-2
Type : research article
Journal : AMBIO: A Journal of the Human Environment
Policy Brief - Resource Tenure and Forest Restoration: A two-way relationship
Auteur(s) : Mansourian, Stephanie; Adams, William M; Bouazza, Karma; Ferreira, Joice; Ganz, David; Hurd, Jack; Larson, Anne M; Pagiola, Stefano; Parrotta, John; Rabemananjara, Zo Hasina; Ratsifandrihamanana, Nanie; Villalobos, Roger; Walters, Gretchen; Soamampiandrda, Manambina; Kull, Christian A
Abstract : Why is tenure important for forest restoration? How does it impact global, national and sub- national restoration initiatives? Tenure security has correlated with successful restoration....
Date de publication : 2026-02
Type : report
Ouvrage : The governance of tree planting and forest restoration: Unil / Velux Stiftung Project Policy Brief
Navigating the FPIC Traps in Gabon's Protected Area Expansion: A Path to Inclusive Conservation
Auteur(s) : Hymas, Olivier; Walters, Gretchen; Ebouli, Jean Marie
Abstract : Exclusive conservation has developed over thousands of years through protected area creation. Today, in order to achieve global conservation targets it is recognised that exclusive...
Date de publication : 2026
DOI : 10.5334/ijc.1617
Type : journal article
Journal : International Journal of the Commons
European Commons and Territories of Life – A Narrative
Auteur(s) : Hymas, O.; Bassi, M.; Baumgartner, S.; Beneš, I.; Bigaran, F.; Bogataj, N.; Branfield, L.; Civantos, J.-M.; Couto, S.; Dominguez, P.; El Bajnouni, A.; Haller, T.; Šmid Hribar, M.; Iordachescu, G.; Karfakis, T.; Kuhar, S.; Jaouen, E.; Joye, J.-F.; Mammana, F.; Mustonen, T.; Neacsu, D.; Nogueira Martins, R.; Pagot, G.; Rail, L.; Rodrigues, M.; Scalici, G.; Sekulovic, M.; Short, C.; Walters, G.; Yilmaz, E.; Ziagkas, G.
Date de publication : 2026
Type : report
Inclusive, European Other Effective Area-Based Conservation Measures (OECMs) conference: A Narrative
Auteur(s) : Hymas, Olivier; Huusari, N.; Kelleher, J.; Kvarnström, M.; Mustonen, K.; Mustonen, T.; Tunon, H.; Walters, G.
Date de publication : 2026
Type : report
The Evolution of Congo Basin Ecosystem Diversity
Auteur(s) : Anthony, Nicola Mary; Boupoya, Clay Archange; Freedman, Adam; Hardy, Olivier; Inogwabini, Bila-Isia; Lewis, Simon; Lowenstein, Jacob Heen; Lezine, Anne-Marie; Saatchi, Sassan; Smith, Tom; Texier, Nicolas; Walters, Gretchen
Abstract : The Congo Basin is a biologically diverse and dynamic terrestrial region com-posed of a central rainforest block flanked by savanna-forest ecotone. Embedded within this region...
Date de publication : 2026
DOI : 10.1007/978-3-032-02023-9_4-1
Type : chapter
Ouvrage : Resilience and Sustainability in the Congo Basin
Human Occupation of the Congo Basin
Auteur(s) : Ricquier, Birgit; Henriet, Benoît; Hymas, Olivier; Kialo, Paulin; Mabika Ognandzi, Hines; Michellier, Caroline; Rupp, Stephanie; Walters, Gretchen; Wilson, Catherina
Abstract : The Congo Basin has an impressive cultural diversity resulting from millennia of contact, networking, intermarriage, and other types of interethnic mingling and pairing. The region...
Date de publication : 2026
DOI : 10.1007/978-3-032-02023-9_8-1
Type : chapter
Ouvrage : Resilience and Sustainability in the Congo Basin
Local-global linkages in biodiversity governance: The regime complex of the convention on biological diversity agenda for nature pledges
Auteur(s) : Nguyen, Van Thi Hai; Le-Huynh, Truc-Ly; Gadola, Simon; Nguyen, Quynh; Walters, Gretchen; Owuor, Margaret Awuor
Abstract : The trajectory of global biodiversity governance, culminating in the 2022 Kunming-Montreal Global Biodiversity Framework (KMGBF), reflects a pivot toward transformative change through a “whole-of-society” (WoS)...
Date de publication : 2025-11
DOI : 10.1016/j.envsci.2025.104246
Type : journal article
Journal : Environmental Science & Policy
The Zoo Sphere of Influence Model
Auteur(s) : Spooner, Sarah L.; Walker, Susan L.; Dowell, Simon; Marques, Mara Cristina; Somenzari, Marina; Rocha, Fabiana Lopes; Cordero-Schmidt, Eugenia; Hughes, Charlotte; Lee, Christine; Smith, Charlotte; Kelly, Jennifer; Salim, Linda; Khoo, Doreen; Omar, Junaidi; Franks, Jennifer; Walters, Gretchen; Sithole, Samantha S.; Hymas, Olivier; Luna, Jessie K.; Grajal, Alejandro; Röper, Kathrin M.; Bamford, Paul; Waterman, James; Howson, Lyndon M.; Costa, Kirsty; Lawrence-Thompson, Frankie; Sanderson, Stephanie; Tomisawa, Kanako; Beltramo,...
Abstract : In January 2023 we proposed the Zoo Sphere of Influence, a new model to represent the value of zoos/aquariums for species and society. This model...
Date de publication : 2025-11
DOI : 10.1016/j.biocon.2025.111429
Type : journal article
Journal : Biological Conservation
Youth and Conservation in the Greater Kruger National Park Landscape
Auteur(s) : Sithole, Samantha S.; Walters, Gretchen M.; Matose, Frank; Simango, Lambert
Date de publication : 2025-10-23
DOI : 10.2307/jj.26193010.8
Type : book part
Ouvrage : Youth, Transitions and Social Justice
Recognition of Commons and ICCAs—Territories of Life in Europe: Assessing Twelve Years of Initiatives in Spain
Auteur(s) : Couto, Sergio; Walters, Gretchen; Martín Civantos, José María
Abstract : Lack of recognition lays at the root of many of the current challenges for commons and ICCAs—Territories of Life despite the wide range of ongoing,...
Date de publication : 2025-08-09
DOI : 10.3390/land14081623
Type : journal article
Journal : Land
Changing the decision context to enable social learning for climate adaptation
Auteur(s) : Colloff, Matthew J.; Gorddard, Russell; Munera-Roldán, Claudia; Locatelli, Bruno; Lavorel, Sandra; Allain, Sandrine; Bruley, Enora; Butler, James R. A.; Dubo, Titouan; Enokenwa Baa, Ojongetakah; González-García, Alberto; Lécuyer, Lou; Lo, Michaela; Loos, Jacqueline; Palomo, Ignacio; Topp, Emeline; Vallet, Améline; Walters, Gretchen
Date de publication : 2025-05-03
DOI : 10.1002/pan3.70043
Type : journal article
Journal : People and Nature
Territories of Commons: A Review of Common Land Organizations and Institutions in the European Alps
Auteur(s) : Pagot, Giacomo; Šmid Hribar, Mateja; Rail, Lisa Francesca; Walters, Gretchen; Hymas, Olivier; Liechti, Karina; Haller, Tobias; Urbanc, Mimi; Dalla Torre, Cristina; Joye, Jean-Francois; Lorenzini, Sara; Bogataj, Nevenka; Penker, Marianne; Bender, Oliver; Manzoni, Antonio
Abstract : Common land organizations and institutions (hereinafter: CLOIs) have been extensively studied worldwide. However, the extent of the European ones is relatively unknown, despite studies and...
Date de publication : 2025-04-29
DOI : 10.1088/1748-9326/add1f4
Type : journal article
Journal : Environmental Research Letters
La gouvernance de l'eau et des forets par les communs fonciers : L'exemple des sections de commune à Chanaleilles - Haute-Loire
Auteur(s) : Baquedano, Clara; Meuris, Alise; Kaczmarek, Ilanne; Walters, Gretchen; Hymas, Olivier; Crétier, Alys; Châteauneuf, Alain; Vacheron, Raymond; Pignol, Yvonne; Torrent, Jules; Torrent, Marie-Louise; Pontier, Monique; Julien, David; Lemonnier, S.; Crouzet, D.
Abstract : Partout en Europe, des communautés ancestrales gèrent des ressources naturelles et des biens matériels. Elles en ont collectivement l'usage et s'organisent au moyen d'une gouvernance...
Date de publication : 2025-04-01
Type : other
Revealing the social histories of ancient savannas and intact forests using a historical ecology approach in Central Africa
Auteur(s) : Walters, Gretchen; Hymas, Olivier; Touladjan, Stevens; Ndong, Kevin
Editeur(s) : Lave, Rebecca; Lane, Stuart
Date de publication : 2025-02-25
DOI : 10.11647/obp.0418.13
Type : chapter
Ouvrage : Critical Physical Geography: Interdisciplinary Approaches to Nature, Power and Politics
Intertwined people–nature relations are central to nature-based adaptation to climate change
Auteur(s) : Locatelli, Bruno; Lavorel, Sandra; Colloff, Matthew J.; Crouzat, Emilie; Bruley, Enora; Fedele, Giacomo; Grêt-Regamey, Adrienne; Plieninger, Tobias; Andersson, Erik; Abbott, Mick; Butler, James; Devisscher, Tahia; Djoudi, Houria; Dubo, Titouan; González-García, Alberto; Karim, Paulina G.; Múnera-Roldán, Claudia; Neyret, Margot; Quétier, Fabien; Salliou, Nicolas; Walters, Gretchen
Abstract : Adaptation to climate change is a social–ecological process: it is not solely a result of natural processes or human decisions but emerges from multiple relations...
Date de publication : 2025-01-09
DOI : 10.1098/rstb.2023.0213
Type : journal article
Journal : Philosophical Transactions of the Royal Society B: Biological Sciences
Reconciling global and local benefits of forest restoration: A shared interdisciplinary perspective
Auteur(s) : Mansourian, Stephanie; Adams, William M.; Bouazza, Karma; Ferreira, Joice Nunes; Ganz, David J.; Hurd, Jack; Pagiola, Stefano; Parrotta, John; Ramamonjisoa, Bruno; Ratsifandrihamanana, Nanie; Villalobos, Roger; Walters, Gretchen; Kull, Christian A.
Abstract : Restoring ecosystems, and forests in particular, has become a global priority. At larger scales, forest restoration must necessarily reconcile the needs and priorities of multiple...
Date de publication : 2025-01
DOI : 10.1016/j.forpol.2024.103381
Type : journal article
Journal : Forest Policy and Economics
A gap analysis of governance and rights in ROAM guidance using the IUCN CEESP Natural Resource Governance Framework
Auteur(s) : Nuesiri, Emmanuel; Campese, Jessica; Walters, Gretchen; Mansourian, Stephanie; Brown, Benjamin; Kuzee, Mirjam; Nakangu, Barbara; de Moor, Rosemary
Date de publication : 2025
Type : journal article
Journal : Policy Matters
Le consentement libre, informé, préalable et la création d'une aire protégée au Gabon
Auteur(s) : Walters, Gretchen; Hymas, Olivier; Bifane Ekomi, Emeline
Abstract : Le Gabon s'est engagé à accroitre la protection de la nature de 30 % d'ici 2030, conformément au Cadre mondial de la biodiversité. Une nouvelle...
Date de publication : 2024-12-30
Type : journal article
Journal : Espaces Africains
Analysing perceptions of nature and nature's contributions to people for a Swiss ecological infrastructure
Auteur(s) : Cracco, Marina; Walters, Gretchen; Loup, Romain
Abstract : Understanding how a population perceives nature and nature's contributions to people is key to designing a society's ecological infrastructure. Narrative-based research can capture how people...
Date de publication : 2024-11-28
DOI : 10.1002/pan3.10751
Type : journal article
Journal : People and Nature
Youth engagement in global conservation governance
Auteur(s) : Sithole, Samantha S.; Walters, Gretchen; Mbatha, Philile; Matose, Frank
Abstract : Youth are increasingly recognized for their important role in shaping environmental decisions surrounding conservation. Regrettably, youth who are crucial decision-makers are often excluded from environmental...
Date de publication : 2024-11-25
DOI : 10.1111/cobi.14387
Type : journal article
Journal : Conservation Biology
Where is the wolf? A multi‐method comparison of social values and perceptions in a Swiss park
Auteur(s) : Cracco, Marina; Michel, Annina H.; Komossa, Franziska; Kong, Inhye; Backhaus, Norman; Thaler, Lucia; Oliveri, Timo; Walters, Gretchen
Abstract : This article presents our recent experience studying public perceptions, discourses, and social values in Park Beverin, a Regional Nature Park in Switzerland. We applied four...
Date de publication : 2024-07-22
DOI : 10.1002/wlb3.01267
Type : journal article
Journal : Wildlife Biology: A journal for wildlife science
Youth engagement with conservation: From global platforms to local landscapes
Auteur(s) : Sithole, Samantha Sinikiwe
Abstract : From the bustling conference halls of the World Conservation Congress to the narrow roads of Kruger National Park, this thesis examines the role of youth...
Date de publication : 2024-05-27
Type : doctoral thesis
Global China and the ‘commons': rosewood governance in rural Ghana
Auteur(s) : Baidoo, Anthony; Walters, Gretchen; Ongolo, Symphorien
Abstract : The rise of Global China or the rapid expansion of Chinese influence abroad has had a commensurate impact on transnational trade and related commercial pressure...
Date de publication : 2024-03
DOI : 10.1016/j.wds.2024.100126
Type : journal article
Journal : World Development Sustainability
Defining the Anthropocene tropical forest: Moving beyond ‘disturbance' and ‘landscape domestication' with concepts from African worldviews
Auteur(s) : Fraser, James Angus; Cosiaux, Ariane; Walters, Gretchen; Asiyanbi, Adeniyi; Osei-Wusu Adjei, Prince; Addo-Fordjour, Patrick; Fairhead, James; Kialo, Paulin; Laurier Engone Obiang, Nestor; Oslisly, Richard
Abstract : How natural and cultural forces shaping tropical forested landscapes are conceptualised is of vital importance to Anthropocene debates. We examine two concepts: disturbance and landscape...
Date de publication : 2024-02-01
DOI : 10.1177/20530196231226307
Type : journal article
Journal : The Anthropocene Review
Zoos and Aquariums are changing how they engage with Indigenous people and local communities
Auteur(s) : Sithole, Samantha; Walters, Gretchen; Hymas, Olivier
Date de publication : 2024-02
Type : journal article
Journal : World Association of Zoos and Aquariums (WAZA) News
Foncier en communs: vers une propriété partagée des lieux essentiels
Auteur(s) : Seillier, Rémy; Shulz, Sébastien; Annereau, Claire; Hymas, Olivier; Joye, Jean-François; Walters, Gretchen
Date de publication : 2024-01-28
Type : book
How are Switzerland's Protected Areas Doing? Assessing the Effect of Protected Areas on People's Livelihoods, Social Values and Perceptions of Nature and its Benefits
Auteur(s) : Cracco, Marina
Date de publication : 2024
Type : doctoral thesis
Zoos and Aquariums are Changing their Exhibits to Represent Indigenous Peoples and Local Communities' Perspectives
Auteur(s) : Sithole, Samantha; Walters, Gretchen; Hymas, Olivier
Date de publication : 2023-12-22
Type : journal article
Journal : WAZA News
Territories of life as key to global environmental sustainability
Auteur(s) : Zanjani, Leila V; Govan, Hugh; Jonas, Holly C; Karfakis, Theodore; Mwamidi, Daniel M; Stewart, Jessica; Walters, Gretchen; Dominguez, Pablo
Abstract : Territories and areas that Indigenous peoples and local communities govern, manage and conserve (hereafter territories of life) are increasingly recognized by scientists, international agencies, nongovernmental...
Date de publication : 2023-08
DOI : 10.1016/j.cosust.2023.101298
Type : journal article
Journal : Current Opinion in Environmental Sustainability
Book review: Géographie et impérialisme: de la Suisse au Congo entre exploration géographique et conquête coloniale
Auteur(s) : Walters, Gretchen
Date de publication : 2023-07-17
DOI : 10.5194/gh-78-337-2023
Type : journal article
Journal : Geographica Helvetica
In danger of co-option: Examining how austerity and central control shape community woodlands in Scotland
Auteur(s) : Sharma, Kavita; Hollingdale, Jon; Walters, Gretchen; Metzger, Marc J.; Ghazoul, Jaboury
Abstract : Community ownership and management of land has gained prominence in environmental policy discussions, especially within land restoration debates. Within Scotland, community land ownership is promoted...
Date de publication : 2023-06
DOI : 10.1016/j.geoforum.2023.103771
Type : journal article
Journal : Geoforum
Glocal woodlands – The rescaling of forest governance in Scotland
Auteur(s) : Sharma, Kavita; Walters, Gretchen; Metzger, Marc J.; Ghazoul, Jaboury
Abstract : As a response to global crises of climate change and biodiversity loss, the UN has called for restoring a billion hectares of land. In recognition,...
Date de publication : 2023-03
DOI : 10.1016/j.landusepol.2022.106524
Type : journal article
Journal : Land Use Policy
Navigating power in conservation
Auteur(s) : Shackleton, Ross T.; Walters, Gretchen; Bluwstein, Jevgeniy; Djoudi, Houria; Fritz, Livia; Lafaye de Micheaux, Flore; Loloum, Tristan; Nguyen, Van Thi Hai; Rann Andriamahefazafy, Mialy; Sithole, Samantha S.; Kull, Christian A.
Abstract : Conservation research and practice are increasingly engaging with people and drawing on social sciences to improve environmental governance. In doing so, conservation engages with power...
Date de publication : 2023-01-29
DOI : 10.1111/csp2.12877
Type : journal article
Journal : Conservation Science and Practice
The rise and fall of protected areas in Central Africa: a historical perspective
Auteur(s) : Walters, Gretchen; Wardell, David Andrew
Editeur(s) : Ongolo, Symphorien; Krott, Max
Abstract : In view of their new commitments to the Convention on Biological Diversity, many countries are deciding how to increase the number of PAs (30% by...
Date de publication : 2023
DOI : 10.4324/9781003363101-4
Type : chapter
Ouvrage : Power Dynamics in African Forests: The Politics of Global Sustainability
Forest of Our Past, Forest of Our Future: Managing the Woods of an Ancient French Common
Auteur(s) : Walters, Gretchen; Levet, Alain
Abstract : This article explores the governance of the forest of Cheylard l'Eveque in central France and discusses challenges and opportunities for supporting these commons, which are...
Date de publication : 2023
Type : journal article
Journal : Langscape
Les parcs nationaux du Gabon et leurs incidences sur les communautés locales : cas du secteur nord du Parc National de Loango
Auteur(s) : Bifane Ekomi, Emeline Narcéla; Edou Ebolo, Clet Mesmin; Walters, Gretchen Marie
Abstract : Les aires protégées restent des espaces très controversés en raison de nombreux conflits qui y prévalent et ce malgré l'intérêt accordé à la préservation de...
Date de publication : 2022-12-01
Type : journal article
Journal : GéoVision
Covid-19, Pueblos Indígenas, comunidades locales y gobernanza de los recursos naturales: resultados finales
Auteur(s) : Laouadi, Samir; Hymas, Olivier; Nkollo Kema-Kema, Christy; Van Vliet, Nathalie; Walters, Gretchen
Abstract : Esta publicación tiene como objetivo informar sobre cómo la pandemia de Covid-19 está afectando a los Pueblos Indígenas y a las comunidades locales (PICL), en...
Date de publication : 2022-07-28
Type : report
Ouvrage : Rapport de recherche "Développement, sociétés, environnements"
Covid-19, peuples autochtones, communautés locales et gouvernance des ressources naturelles : résultats finaux
Auteur(s) : Laouadi, Samir; Hymas, Olivier; Nkollo Kema-Kema, Christy; Van Vliet, Nathalie; Walters, Gretchen
Abstract : Cette publication rend compte de la manière dont la pandémie de la Covid-19 affecte les peuples autochtones et les communautés locales (PACLs), en particulier ceux...
Date de publication : 2022-07-28
Type : report
Ouvrage : Rapport de recherche "Développement, sociétés, environnements"
Covid-19, Indigenous Peoples, Local communities and natural resource governance: Final Results
Auteur(s) : Laouadi, Samir; Hymas, Olivier; Nkollo Kema-Kema, Christy; Van Vliet, Nathalie; Walters, Gretchen
Abstract : This publication reports on how the Covid-19 pandemic affected Indigenous Peoples and Local Communities (IPLCs) in 2020-1, particularly those who govern, manage and conserve their...
Date de publication : 2022-07-28
Type : report
Ouvrage : Rapport de recherche "Développement, sociétés, environnements"
Flore et feux dans une mosaïque de forêts et de savanes anciennes d'Afrique centrale : Check‐list du Parc National des Plateaux Batéké (Gabon)
Auteur(s) : Walters, Gretchen; Nguema, Diosdado; Niangadouma, Raoul
Abstract : RESUME Contexte et buts – Les savanes anciennes d'Afrique sont influencées par les feux, possèdent des suffrutices géoxyliques et endémiques et elles sont encore peu...
Date de publication : 2022-05-24
Type : other
Flora and fire in an old-growth Central African forest-savanna mosaic: a checklist of the Parc National des Plateaux Batéké (Gabon)
Auteur(s) : Walters, Gretchen M.; Nguema, Diosdado; Niangadouma, Raoul
Abstract : Background and aims – Old-growth savannas in Africa are impacted by fire, have endemic and geoxylic suffrutices, and are understudied. This paper explores the Parc...
Date de publication : 2022-05-05
DOI : 10.5091/plecevo.85954
Type : journal article
Journal : Plant Ecology and Evolution
The forest is clothing for the ancestors: A rapid cultural assessment tool for forest landscape restoration policy processes
Auteur(s) : Wild, Robert; Walters, Gretchen
Abstract : Restoration of degraded lands and ecosystems is one of the largest challenges of our times. Many countries are making pledges to restore their lands and...
Date de publication : 2022-01
DOI : 10.1016/j.foreco.2021.119825
Type : journal article
Journal : Forest Ecology and Management
Ancistrocladaceae
Auteur(s) : Gereau, Roy E.; Walters, Gretchen M.
Date de publication : 2022
Type : journal article
Journal : Flore du Gabon
Enhancing the integration of governance in landscape restoration opportunities assessments
Auteur(s) : Campese, Jessica; Mansourian, Stephanie; Walters, Gretchen; Nuesiri, Emmanuel; Hamzah, Amran; Brown, Benjamin; Kuzee, Miriam; Nakangu, Barbara
Abstract : Governance is a crucial factor in the equity, effectiveness and sustainability of forest landscape restoration (FLR). The Restoration Opportunities Assessment Methodology (ROAM) provides a framework...
Date de publication : 2022
Type : report
Landscape ecology reaching out
Auteur(s) : Kienast, Felix; Walters, Gretchen; Bürgi, Matthias
Date de publication : 2021-07
DOI : 10.1007/s10980-021-01301-y
Type : editorial
Journal : Landscape Ecology
The power of choice: How institutional selection influences restoration success in Africa
Auteur(s) : Walters, G.; Baruah, M.; Karambiri, M.; Osei-Wusu Adjei, P.; Samb, C.; Barrow, E.
Abstract : Restoration of degraded ecosystem functions and services is an important component of conservation and sustainable development because it allows people to improve human livelihoods by...
Date de publication : 2021-05
DOI : 10.1016/j.landusepol.2019.104090
Type : journal article
Journal : Land Use Policy
Integrating landscape ecology into landscape practice in Central African Rainforests
Auteur(s) : Walters, G.; Sayer, J.; Boedhihartono, A. K.; Endamana, D.; Angu Angu, K.
Abstract : Context: We describe how large landscape-scale conservation initiatives involving local communities, NGOs and resource managers have engaged with landscape scientists with the goal of achieving...
Date de publication : 2021-04-03
DOI : 10.1007/s10980-021-01237-3
Type : journal article
Journal : Landscape Ecology
COVID-19, Indigenous peoples, local communities and natural resource governance
Auteur(s) : Walters, Gretchen; Pathak Broome, Neema; Cracco, Marina; Dash, Tushar; Dudley, Nigel; Elías, Silvel; Hymas, Olivier; Mangubhai, Sangeeta; Mohan, Vik; Niederberger, Thomas; Achtone Achtone Nkollo Kema Kema, Christy; Oussou Lio, Appolinaire; Raveloson, Njaka; Rubis, June; Mathieu Toviehou, S.A.R.; Van Vliet, Nathalie
Abstract : We report on how the COVID-19 pandemic is affecting Indigenous peoples and local communities (IPLCs), especially those who govern, manage and conserve their lands and...
Date de publication : 2021-03-11
DOI : 10.2305/iucn.ch.2021.parks-27-sigw.en
Type : journal article
Journal : Parks
There's nothing new under the sun – lessons conservationists could learn from previous pandemics
Auteur(s) : Hymas, Olivier; Rocha, Bruna; Guerrero, Natalia; Torres, Mauricio; Ndong, Kevin; Walters, Gretchen
Abstract : In many industrialised societies, the COVID-19 pandemic has been painted as an unprecedented moment caused by human abuse of nature. Responses to it have, in...
Date de publication : 2021-03-11
DOI : 10.2305/iucn.ch.2021.parks-27-sioh.en
Type : journal article
Journal : Parks
Stuck in the Colonial Past? Perpetuating Racist, Environmental Myths of Kenya in a Swiss Zoo
Auteur(s) : Sithole, Samantha; Fernandes, Marianna; Hymas, Olivier; Sharma, Kavita; Walters, Gretchen
Abstract : This contribution challenges representations of landscapes and communities within zoos in Europe that may amplify colonial narratives of local people through a racialised and often...
Date de publication : 2021
DOI : 10.3167/ajec.2021.300207
Type : journal article
Journal : Anthropological Journal of European Cultures
Dwelling in the relational commons: exploring the contemporary role and significance of a section de commune in the Jura Mountains
Auteur(s) : Smith, George; Walters, Gretchen; Hymas, Olivier
Date de publication : 2021
Type : book part
Ouvrage : Les biens communaux / propriétés foncières collectives au 21ème siècle
Gatekeeping Access: Shea Land Formalization and the Distribution of Market-Based Conservation Benefits in Ghana's CREMA
Auteur(s) : Gilli, Mengina; Côte, Muriel; Walters, Gretchen
Date de publication : 2020-09-29
DOI : 10.3390/land9100359
Type : journal article
Journal : Land
Analysing and Applying Stakeholder Perceptions to Improve Protected Area Governance in Ugandan Conservation Landscapes
Auteur(s) : Omoding, James; Walters, Gretchen; Andama, Edward; Carvalho, Salete; Colomer, Julien; Cracco, Marina; Eilu, Gerald; Kiyingi, Gaster; Kumar, Chetan; Langoya, Council Dickson; Nakangu Bugembe, Barbara; Reinhard, Florian; Schelle, Celina
Date de publication : 2020-06-25
DOI : 10.3390/land9060207
Type : journal article
Journal : Land
Implementing a landscape approach in the Agoro-Agu region of Uganda
Auteur(s) : Omoding, James; Walters, Gretchen; Carvalho, Salete; Cracco, Marina; Langoya, C.D.; Kiyingi, Gaster; Kumar, Chetan; Reinhard, Florian; Ssenyonjo, Edward; Twinomuhangi, Leo
Date de publication : 2020-05-25
Type : journal article
Journal : Parks
Deciphering African tropical forest dynamics in the Anthropocene: How social and historical sciences can elucidate forest cover change and inform forest management
Auteur(s) : Walters, G.; Fraser, J. Angus; Picard, N.; Hymas, O.; Fairhead, J.
Abstract : Forests bear the historical legacies of human activities over thousands of years, including agriculture, trade, disease and resource extraction. Many of these activities may represent...
Date de publication : 2019-09
DOI : 10.1016/j.ancene.2019.100214
Type : journal article
Journal : Anthropocene
A landscape for everyone: integrating rights-based and landscape governance approaches
Auteur(s) : Walters, Gretchen
Editeur(s) : Blomley, Tom
Abstract : Within a landscape of overlapping ecological, social and economic priorities, plans and programmes aim to balance land use dynamics to combine natural resource management with...
Date de publication : 2019-08-21
DOI : 10.2305/iucn.ch.2019.08.en
Type : book
Core principles for successfully implementing and upscaling Nature-based Solutions
Auteur(s) : Cohen-Shacham, Emmanuelle; Andrade, Angela; Dalton, James; Dudley, Nigel; Jones, Mike; Kumar, Chetan; Maginnis, Stewart; Maynard, Simone; Nelson, Cara R.; Renaud, Fabrice G.; Welling, Rebecca; Walters, Gretchen
Abstract : Despite substantial increases in the scope and magnitude of biodiversity conservation and ecological restoration, there remains ongoing degradation of natural resources that adversely affects both...
Date de publication : 2019-08
DOI : 10.1016/j.envsci.2019.04.014
Type : journal article
Journal : Environmental Science & Policy
Identifying governance problems and solutions for forest landscape restoration in protected area landscapes
Auteur(s) : Mansourian, Stephanie; Walters, Gretchen; Gonzales, Emily
Abstract : Governance challenges – including ownership, decision-making, accountability, and sharing of costs and benefits – can impede forest landscape restoration in protected area landscapes. Understanding and...
Date de publication : 2019-05-30
DOI : 10.2305/IUCN.CH.2019.PARKS-25-1SM.en
Type : journal article
Journal : Parks
Identifying governance problems and solutons for forest landscape restoration in protected area landscapes
Auteur(s) : Mansourian, Stephanie; Walters, Gretchen; Gonzales, Emily
Abstract : Bonn Challenge; forest quality; Forest Restoration in Landscapes; Beyond Planting Trees; landscape governance; stakeholder; Governance challenges – including ownership, decision-making, accountability, and sharing of costs...
Date de publication : 2019-05-03
DOI : 10.2305/iucn.ch.2019.parks-25-1sm.en
Type : journal article
Journal : Parks
Measuring progress in status of land under forest landscape restoration using abiotic and biotic indicators : Measuring progress in forest landscape restoration
Auteur(s) : Dudley, Nigel; Bhagwat, Shonil A.; Harris, Jim; Maginnis, Stewart; Moreno, Jaime Garcia; Mueller, Gregory M.; Oldfield, Sara; Walters, Gretchen
Abstract : The paper suggests a minimum set of abiotic and biotic threshold indicators and progress indicators for forest landscape restoration (FLR), then also briefly discusses progress...
Date de publication : 2018-01
DOI : 10.1111/rec.12632
Type : journal article
Journal : Restoration Ecology
Getting ready for REDD+: Recognition and donor-country project development dynamics in Central Africa
Auteur(s) : Walters, Gretchen; Ece, Melis
Abstract : REDD+ (Reducing Emissions, Deforestation and forest Degradation+) is a United Nations Framework Convention for Climate Change (UNFCCC) process through which governments reduce the impacts of...
Date de publication : 2018
DOI : 10.4103/cs.cs_16_101
Type : journal article
Journal : Conservation & Society
Examining the Supply and Demand of Effective Participation and Representation
Auteur(s) : Akwah Neba, George; Walters, Gretchen; Jung, Ha-young
Date de publication : 2018
Type : chapter
Ouvrage : Global Forest Governance and Climate Change: Interrogating Representation, Participation, and Decentralization
An integrative research framework for enabling transformative adaptation
Auteur(s) : Colloff, Matthew J.; Martín-López, Berta; Lavorel, Sandra; Locatelli, Bruno; Gorddard, Russell; Longaretti, Pierre-Yves; Walters, Gretchen; van Kerkhoff, Lorrae; Wyborn, Carina; Coreau, Audrey; Wise, Russell M.; Dunlop, Michael; Degeorges, Patrick; Grantham, Hedley; Overton, Ian C.; Williams, Rachel D.; Doherty, Michael D.; Capon, Tim; Sanderson, Todd; Murphy, Helen T.
Abstract : Transformative adaptation will be increasingly important to effectively address the impacts of climate change and other global drivers on social-ecological systems. Enabling transformative adaptation requires...
Date de publication : 2017-02
DOI : 10.1016/j.envsci.2016.11.007
Type : journal article
Journal : Environmental Science & Policy
Governance of restoration and institutions: Working with Ghana's Community Resource Management Areas
Auteur(s) : Baruah, M.; Bobtoya, S.; Mbile, P.; Walters, G.
Abstract : Restoration is occurring worldwide in a variety of landscapes. In Ghana, Community Resource Management Areas (CREMAs) are employed by the government and communities to address...
Date de publication : 2016-09
DOI : 10.1016/j.wdp.2016.11.008
Type : journal article
Journal : World Development Perspectives
Nature-based solutions to address global societal challenges
Editeur(s) : Cohen-Shacham, E.; Janzen, C.; Maginnis, S.; Walters, G.
Abstract : This report has been prepared as part of an effort by IUCN to define its position on Nature-based Solutions (NbS) and plan for future work...
Date de publication : 2016-08-04
DOI : 10.2305/iucn.ch.2016.13.en
Type : book
Peri-urban conservation in the Mondah forest of Libreville, Gabon: Red List assessments of endemic plant species, and avoiding protected area downsizing
Auteur(s) : Walters, G.; Ngagnia Ndjabounda, E.; Ikabanga, D.; Biteau, J. P.; Hymas, O.; White, L. J. T.; Ndong Obiang, A.-M.; Ndong Ondo, P.; Jeffery, K. J.; Lachenaud, O.; Stévart, T.
Abstract : Urban development is an increasing threat to the integrity of formerly remote protected areas, in some cases resulting in their downgrading, downsizing or degazetting. One-quarter...
Date de publication : 2016-07
DOI : 10.1017/s0030605315000204
Type : journal article
Journal : Oryx: The International Journal of Conservation
Responsive Forest Governance Initiative handbook II : implementing improved natural resource governance in practice
Auteur(s) : Barrow, E.; Angu Angu, K.; Bobtoya, S.; Cruz, R.; Kutegeka, S.; Nakangu, B.; Savadogo, M.; Walters, G.
Abstract : This Responsive Forest Governance Initiative Handbook defines basic democratic concepts and explains how democratic governance works. It then lays out responsive forest governance principles to...
Date de publication : 2016
Type : book
Ouvrage : Responsive Forest Governance Initiative Working Paper Series
Changing Fire Governance in Gabon′s Plateaux Bateke Savanna Landscape
Auteur(s) : Walters, G.
Abstract : In many African savannas, anthropogenic fire regimes are changing for reasons that are poorly understood. However, these changes will likely impact landscapes. Using the case...
Date de publication : 2015
DOI : 10.4103/0972-4923.170404
Type : journal article
Journal : Conservation & Society
Evolving hunting practices in Gabon: lessons for community-based conservation interventions
Auteur(s) : Walters, G.; Schleicher, J.; Hymas, O.; Coad, L.
Abstract : Addressing today's environmental challenges is intimately linked to understanding and improving natural resource governance institutions. As a result conservation initiatives are increasingly realizing the importance...
Date de publication : 2015
DOI : 10.5751/es-08047-200431
Type : journal article
Journal : Ecology & Society
Fire management in a changing landscape: a case study from Lopé National Park, Gabon
Auteur(s) : Jeffery, K. J.; Korte, L.; Palla, F.; Walters, G.; White, L. J.T.; Abernethy, K. A.
Abstract : A key management goal in Lopé National Park, Gabon, is to protect regionally-rare savannah ecosystems within the continuous rainforest block. In order to evaluate the...
Date de publication : 2014-03
DOI : 10.2305/iucn.ch.2014.parks-20-1.kjj.en
Type : journal article
Journal : Parks
Integrating cultural and conservation contexts of hunting: the case of the Plateau Bateke savannas of Gabon
Auteur(s) : Walters, G.; Makouka, L.; Touladjan, S.
Abstract : Sustainable hunting is a target of conservation research and action in the Congo Basin. It has been argued that the cultural context must be understood...
Date de publication : 2014
Type : journal article
Journal : African Study Monographs
Les forêts littorales de la région de Libreville (Gabon) et leur importance pour la conservation: description d'un nouveau Psychotria (Rubiaceae) endémique
Auteur(s) : Lachenaud, O.; Stévart, T.; Ikabanga, D.; Ngagnia Ndjabouda, E.; Walters, G.
Abstract : Contexte – Une nouvelle espèce de Rubiaceae, Psychotria wieringae O. Lachenaud, est décrite et illustrée. Méthodes – Les méthodes usuelles de taxonomie d'herbier ont été...
Date de publication : 2013-03-20
DOI : 10.5091/plecevo.2013.744
Type : journal article
Journal : Plant Ecology and Evolution
Customary Fire Regimes and Vegetation Structure in Gabon's Bateke Plateaux
Auteur(s) : Walters, G.
Abstract : Most fires in Africa are anthropogenic yet remain understudied. Studies typically address managed fire, or the "fire triad" of early dry season-late dry season-suppression, and...
Date de publication : 2012-12
DOI : 10.1007/s10745-012-9536-x
Type : journal article
Journal : Human Ecology
Phytogeographical analysis and checklist of the vascular plants of Loango National Park, Gabon
Auteur(s) : Harris, D.; Armstrong, K. E.; Walters, G.; Wilks, C.; Mouandza Mbembo, J.-C.; Niangadouma, R.; Wieringa, J. J.; Breteler, F. J.
Abstract : Background and aims – Floristic inventories are the primary means by which the plant diversity of an area can be understood and are important in...
Date de publication : 2012-07-06
DOI : 10.5091/plecevo.2012.641
Type : journal article
Journal : Plant Ecology and Evolution
Diversity and conservation value of Gabon's savanna and inselberg open vegetation: an initial gap analysis
Auteur(s) : Walters, G.; Parmentier, I.; Stévart, T.
Abstract : Background and aims – Eighty per cent of Gabon's territory is covered by forest with most species inventory work focused on these areas. However, herbaceous...
Date de publication : 2012-03-12
DOI : 10.5091/plecevo.2012.606
Type : journal article
Journal : Plant Ecology and Evolution
Novitates Gabonenses 80 : Additiona and corrections to the Flora of Gabon
Auteur(s) : Walters, G.; Dauby, G.; Stévart, T.; Dessein, S.; Niangadouma, R.; Lachenaud, O.
Abstract : Since the publication of the Gabon Checklist in 2006, intensive fieldwork activity has led to the discovery of many novelties. We document here 61 new...
Date de publication : 2011-11
DOI : 10.1017/s0960428611000266
Type : journal article
Journal : Edinburgh Journal of Botany
Novitates gabonenses 77: A new Eriosema (Leguminosae-Papilionoideae) from Gabon and adjacent Congo
Auteur(s) : van der Maesen, J.; Walters, G.
Abstract : Background – On-going botanical research in Gabon continues to yield species new to science, in this case a new member of the leguminous genus Eriosema....
Date de publication : 2011-03-25
DOI : 10.5091/plecevo.2011.494
Type : journal article
Journal : Plant Ecology and Evolution
The Land Chief's embers: ethnobotany of Batéké fire regimes, savanna vegetation and resource use in Gabon
Auteur(s) : Walters, G.
Abstract : Anthropogenic fire regimes and society are linked: social change modifies fire application which then impacts ecosystems. In the past 40 years, savanna burning has changed...
Date de publication : 2010
Type : doctoral thesis
Memecylon Batekeanum, a New Species from Southeastern Gabon, and a Note on the Circumscription of Memecylon Sect. Mouririoidea (Melastomataceae)
Auteur(s) : Stone, R. D.; Walters, G.; Ghogue, J.-P.
Abstract : Described and illustrated is Memecylon batekeanum R. D. Stone & G. M. Walters from the buffer zone of the Batéké Plateaux National Park in southeastern...
Date de publication : 2006-06
DOI : 10.3417/1055-3177(2006)16[276:mbansf]2.0.co;2
Type : journal article
Journal : Novon : A Journal for Botanical Nomenclature
Floristics of Gabon's Batéké Plateaux: Guineo-Congolian plants on Kalahari Sands
Auteur(s) : Walters, G.; Bradley, A.; Niangadouma, R.
Editeur(s) : Ghazanfarand , S. A.; Beentje, H. J.
Abstract : The grasslands of southeastern Gabon's Plateaux Batéké are maintained by regular anthropogenic fire and are located on the northernmost extension of the Kalahari sands. Fire...
Date de publication : 2006
Type : conference paper
Ouvrage : Taxonomy and ecology of African plants, their conservation and sustainable use
Check-list des plantes vasculaires du Gabon = Check-list of Gabonese Vascular Plants
Auteur(s) : Sosef, M.S.M.; Wieringa, J.J.; Jongkind, C.C.H.; Achoundong, G.; Azizet Issembe, Y.; Bedigian, D.; van den Berg, R.G.; Breteler, F.J.; Cheek, M.; deGreef, J.; Faden, R.; Goldblatt, P.; van der Maesen, L.J.G.; Ngok Banak, L.; Niangadouma, R.; Nzabi, T.; Nziengui, B.; Rogers, Z.S.; Stévart, T.; van Valkenburg, J.L.C.H.; Walters, G.; de Wilde, J.J.F.E
Date de publication : 2006
Type : book
Ouvrage : Scripta Botanica Belgica
Revision of Ancistrocladus Wall (Ancistrocladaceae)
Auteur(s) : Taylor, C.; Gereau, R; Walters, G.
Abstract : The genus Ancistrocladus Wall. ranges from Africa to southeastern Asia and comprises 16 species found in evergreen tropical forests. Unusual morphological features include its dimorphic...
Date de publication : 2005
Type : journal article
Journal : Annals of the Missouri Botanical Garden
Perennial plants and ephemeral seed banks in Papago Park, Phoenix, Arizona
Auteur(s) : Walters, G.
Date de publication : 2004
Type : journal article
Journal : Natural Areas Journal
Winter ephemeral vegetation and seed banks of four north-facing slopes in the Sonoran Desert
Auteur(s) : Walters, G.
Date de publication : 2003
Type : journal article
Journal : Madroño
Chamaecrista mwangokae (Fabaceae: Caesalpinioideae), a new species from the southern highlands of Tanzania
Auteur(s) : Gereau, R.E.; Walters, G.
Abstract : We discuss the historical usage of the genus Chamaecrista (Fabaceae, Caesalpinioideae) in Africa, describe and illustrate the new species C. mwangokae from southern Tanzania, reduce...
Date de publication : 2003
Type : journal article
Journal : Novon
Lamiaceae Mint Family, part 1 : Agastache, Hyptis, Lamium, Leonurus, Marrubium, Monarda, Monardella, Nepeta, Salazaria, Stachys, Teucrium, and Trichostemma
Auteur(s) : Christy, C.; Damrel, D.Z.; Henry, A.; Trauth-Nare, A.; Puente-Martinez, R.; Walters, G.
Date de publication : 2003
Type : journal article
Journal : Journal of the Arizona Nevada Academy of Science
Flora of the Papago Park Military Reservation: a desert remnant in Phoenix, Arizona
Auteur(s) : Walters, G.
Abstract : A floristic survey of the vascular plants of the Papago Park Military Reservation (PPMR) was conducted from April of 1999 to February of 2001. This...
Date de publication : 2002
Type : journal article
Journal : Journal of the Arizona-Nevada Academy of Science
Noteworthy collection for Arizona: Enchylaena tomentosa R. Br.
Auteur(s) : Walters, G.
Date de publication : 2001
Type : journal article
Journal : Madroño
Forest decline and tree mortality in a southeastern Ohio oak-hickory forest
Auteur(s) : Walters, G.; McCarthy, B. C.
Abstract : Many forests throughout the central Appalachians have been suspected, or observed, to be indeclining health. Few studies have examined the vitality of southeastern Ohio's forests....
Date de publication : 1997
Type : journal article
Journal : The Ohio Journal of Science

Thèses de doctorat

en chargement...

Memoires

en chargement...