Results 11 to 20 of about 705 (130)

Evaluating camera trap methods for monitoring population trends in ungulates: Insights from simulation

Ecosphere
Camera traps have been widely used in the past decade to monitor the abundance of unmarked animal populations. Most estimation methods rely either on the number of times animals pass through the detection zones, like random encounter models (REM), or on ...
Clément Calenge, Sonia Saïd, Jules Chiffard, Mathieu Garel, Maryline Pellerin   +4 more
doaj   +2 more sources

Social cues from neighboring patches influence patch dynamics in a spatially structured population of a colonial bird. [PDF]

Ecology
Abstract The dynamics of spatially structured populations (SSPs) depend on dispersal movements between habitat patches. Individual‐level studies show that dispersal can be informed by social cues about habitat quality, such as breeding success or the number of conspecifics in a patch.
Gregory KA, Francesiaz C, Barnagaud JY, Crochet PA, Lebreton JD, Besnard A, Papaïx J.   +6 more
europepmc   +2 more sources

Behavioural tactics across thermal gradients align with partial morphological divergence in brook charr. [PDF]

J Anim Ecol
Our study reveals that brook charr adopt distinct ‘warm’ and ‘cool’ behavioural tactics to balance foraging and thermal stress in stratified lakes. By linking fine‐scale thermal movements to morphology, we show how temperature‐driven habitat use promotes individual specialization and potential ecotypic divergence under climate change.
Stahl A, Pépino M, Bertolo A, Magnan P.
europepmc   +2 more sources

De nouvelles mauvaises herbes en zones humides : les formes terrestres des Jussies invasives sur prairies

Sciences, Eaux & Territoires, 2014
Espèces invasives déjà bien connues car particulièrement problématiques dans les hydrosystèmes, les Jussies (Ludwigia spp.) continuent de surprendre à la fois les gestionnaires et les chercheurs par leurs capacités de colonisation de nouveaux biotopes ...
J. HAURY, J.P. DAMIEN
doaj   +1 more source

Potentialités sylvo-pastorales et gestion des pâturages des petits ruminants dans un micro bassin versant (Dzavé-Kpékpéta) de la rivière Haho au Togo

Revue Ecosystèmes et Paysages
La disponibilité, la gestion et l’aménagement du pâturage restent cruciaux dans le cadre pour l’élevage local des petits ruminants. Ceci est d’autant plus important dans les zones de fortes activités pastorales et agricoles comme la région des Plateaux ...
Cherifatou Maman Folega , Noundja Liyabin, Atakpama Wouyo, Folega Abdel Akim, Djagba Atouga Yembliman, Kpérkouma Wala, Batawila Komlan   +6 more
doaj   +1 more source

Beyond species means - the intraspecific contribution to global wood density variation. [PDF]

New Phytol
Summary Wood density is central for estimating vegetation carbon storage and a plant functional trait of great ecological and evolutionary importance. However, the global extent of wood density variation is unclear, especially at the intraspecific level. We assembled the most comprehensive wood density collection to date, including 109 626 records from
Fischer FJ, Chave J, Zanne A, Jucker T, Fajardo A, Fayolle A, de Lima RAF, Vieilledent G, Beeckman H, Hubau W, De Mil T, Wallenus D, Aldana AM, Alvarez-Dávila E, Alves LF, Apgaua DMG, Arcanjo F, Bastin JF, Bilous A, Birnbaum P, Blyshchyk V, Borah J, Boukili V, Camarero JJ, Casas L, Cazzolla Gatti R, Chambers JQ, Fabiano EC, Choat B, Conti G, Cornwell W, Dar JA, Das AK, Dobler M, Dougabka D, Edwards DP, Evans R, Falster D, Fearnside P, Flores O, Fyllas N, Gérard J, Goodman RC, Guibal D, Henao-Diaz LF, Hervé V, Hietz P, Homeier J, Ibanez T, Ilic J, Jansen S, Kalita RM, Kenzo T, Kindermann L, Kothandaraman S, Kotowska M, Kubota Y, Langbour P, Lawson J, de Lima ALA, Link RM, Linstädter A, López R, Macinnis-Ng C, Magnago LFS, Martin AR, Matheny AM, McCarthy JK, Miller RB, Nath AJ, Nelson BW, Njana M, Nogueira EM, Oliveira A, Oliveira R, Olson M, Onoda Y, Paul K, Piotto D, Radtke P, Razafindratsima O, Ramananantoandro T, Read J, Richardson S, de la Riva EG, Rodríguez-Reyes O, Rolim SG, Rolo V, Rosell JA, Salguero-Gómez R, Santini NS, Schuldt B, Schwendenmann L, Sellin A, Staples T, Stevenson PR, Sundarapandian S, van der Sande MT, Thibaut B, Tng DYP, Torezan JMD, Villanueva B, Weiskittel A, Wells J, Wright SJ, Zieminska K.   +105 more
europepmc   +2 more sources

Diversité taxonomique des légumes traditionnels africains consommés dans l’arrondissement d’Idigny au Bénin

Revue Marocaine des Sciences Agronomiques et Vétérinaires
Les légumes traditionnels africains représentent des aliments de base pour de nombreux ménages en Afrique. Au Bénin, diverses espèces de légumes traditionnels africains sont appréciés par les populations locales. L’étude vise à inventorier et identifier
Séraphin MOUZOUN, Makpondéou MAKPONSÈ, Laurent G. HOUESSOU, Gyslain HOUNTO, Toussaint O. LOUGBEGNON, Odoun-Ayo F. AMOUSSOU   +5 more
doaj   +1 more source

SalmoGlob – Un nouveau modèle pour l’évaluation des stocks de saumon atlantique à l’échelle de l’Atlantique Nord

Sciences, Eaux & Territoires
Le projet SalmoGlob mené au sein de l’unité mixte de recherche DECOD et du pôle MIAME, en partenariat avec le groupe de travail sur le saumon de l’Atlantique Nord du Conseil International pour l’Exploration de la Mer (ICES/CIEM WGNAS), a ...
Étienne RIVOT, Maxime OLMOS, Rémi LEMAIRE-PATIN, Pierre-Yves HERNVANN, Marie NEVOUX, Étienne PRÉVOST, Mathieu BUORO, Laurent BEAULATON   +7 more
doaj   +1 more source

Exploring consumer preferences for wild meat and other animal proteins in Gamba, Gabon: Implications for conservation and management of natural resources alongside extractive industry

People and Nature, EarlyView.
Abstract The town of Gamba in southwest Gabon represents an exceptional example of how the development of an extractive industry (in this case oil production) may impact wild meat consumption in an area of global importance for biodiversity. Studies in the 1990s identified an active wild meat trade; however, no studies have been undertaken since, and ...
James McNamara, Landry Tchignoumba, Gabriel Koumba, Ghislain Guissouegou, Anna Feistner   +4 more
wiley   +1 more source

Calibrating an occupancy metric to monitor elusive territorial species at large scale: Application to the grey wolf population in France

Ecological Solutions and Evidence
Monitoring species in time and space is vital to identify changes in their status and to help define management measures to improve their conservation. Abundance is often used to monitor species at the population level. However, this metric is costly and
Sarah Bauduin, Olivier Gimenez, Nolwenn Drouet‐Hoguet, Julie Louvrier, Christophe Duchamp   +4 more
doaj   +1 more source