Results 41 to 50 of about 38,018 (154)

Repérer les macrophytes depuis le ciel ou sous les eaux, quel appui pour les gestionnaires ?

open access: yesSciences, Eaux & Territoires, 2014
Que ce soit pour la connaissance ou dans un objectif de gestion, l'étude de la distribution des macrophytes est indispensable. Historiquement tributaire des seules prospections de terrain, l'acquisition de ces données peut aujourd'hui s'appuyer sur de ...
B. BOTTNER, C. NOËL
doaj   +1 more source

Stability in tapia woodlands amid non‐native expansion: Integrating traditional ecological knowledge and remote sensing to track 73 years of tree cover in Madagascar

open access: yesPeople and Nature, Volume 8, Issue 5, Page 1403-1418, May 2026.
Abstract Afromontane ecosystems, characterised by mosaics of fire‐adapted grassy ecosystems and fire‐sensitive forests, are biodiversity hotspots facing escalating pressures from non‐native species, climate and land‐use change. Madagascar's Central Highlands is one such hotspot, hosting woodlands dominated by endemic Uapaca bojeri (tapia) which are ...
Elliot D. Convery‐Fisher   +6 more
wiley   +1 more source

Biomass estimation of rangelands in the Eastern Highlands by remote sensing indices

open access: yesAfrican and Mediterranean Agricultural Journal - Al Awamia, 2022
The rangelands of the High plateau of eastern Morocco constitute an important supplement to the feeding of sheep and goats. Estimating phytomass production from these rangelands during the growing season is useful for managers of pastoral areas.
H. Mahyou
doaj   +1 more source

Spatial Distribution of European Grayling Reflects Longitudinal Temperature Patterns in a Swiss River

open access: yesEcology of Freshwater Fish, Volume 35, Issue 1, January 2026.
ABSTRACT Most salmonid populations are declining across their entire habitat range, partly because of large‐scale loss of crucial physical habitats. Alterations in river flow and temperature resulting from climate change are likely to further degrade habitat quality, particularly summer thermal conditions experienced by temperature‐sensitive fish ...
Baptiste Marteau   +5 more
wiley   +1 more source

Congo Basin Carbon Cycle Responses to Global Change

open access: yesGlobal Change Biology, Volume 32, Issue 1, January 2026.
Understanding the resilience of the Congo Basin carbon cycle in the face of current and future pressures requires a detailed understanding of its response to past and present drivers of change. Building on a pantropical framework of drivers and possible regional mechanisms for resilience, this review provides the first comprehensive assessment of Congo
Sarah Worden   +17 more
wiley   +1 more source

The Role of Protected Areas in Combating Tropical Dry Forest Loss: Insights From Kirindy Mitea National Park, Madagascar

open access: yesBiotropica, Volume 57, Issue 6, November 2025.
Tropical dry forests face severe threats from deforestation, endangering both people and wildlife. This study examines the effectiveness of Kirindy Mitea National Park (KMNP) in Madagascar in preventing forest loss from 1993 to 2023 using satellite imagery.
Domenic Romanello   +4 more
wiley   +1 more source

Publier une contribution scientifique dans la Revue Française de Photogrammétrie et de Télédétection

open access: yes, 2015
Après quatre ans en tant que rédacteur-en-chef de la Revue Française de Photogrammétrie et de Télédétection (RFPT), j'ai eu l'occasion de collecter auprès des auteurs, des relecteurs, des rédacteurs-en-chef délégués ainsi que des membres du comité de ...
Clément Mallet, Mallet, Clément
core   +1 more source

La télédétection

open access: yes, 2007
[Departement_IRSTEA]DS [TR1_IRSTEA]METHODO / SYNERGIE [Coll_IRSTEA]Ma main à la pâteExtrait de documentCe livre, qui ne demande pas de connaissances scientifiques préalables, veut avant tout contribuer à faire aimer la science à tous ceux qui se ...
Wilgenbus, D., Pol, D., Labbé, Sylvain
core   +1 more source

DeepForestVision: Automated wildlife identification for camera traps of African tropical forests

open access: yesEcological Solutions and Evidence, Volume 6, Issue 4, October–December 2025.
Chimpanzees (Pan troglodytes) observed on camera trap in Kibale National Park, Uganda. This frame was extracted from a 30 s video classified as chimpanzee by DeepForestVision with a confidence score of 0.99 (©Sebitoli Chimpanzee Project). Abstract Tropical forests are rich in biodiversity but face the rapid loss of their wildlife due to increasing ...
Hugo Magaldi   +17 more
wiley   +1 more source

Qualification de l’offre de transport collectif par rapport à la couverture spatiale : cas de la ville de Guelma

open access: yesRevue des Sciences Humaines, 2021
La ville de Guelma comme toutes les villes algériennes, connaît un étalement urbain remarquable atteint 15,53 km2 durant la période de 1985 à 2021. Cette croissance urbaine dus à une augmentation de la population qui atteint 187 000 habitants en 2015 ...
Leila Bennacer   +2 more
doaj  

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