Results 51 to 60 of about 44,219 (179)

Biodiversity and conservation value of an Atlantic central African forest: the Ngovayang Massif (Cameroon) [PDF]

open access: yes, 2018
A total of 7967 individuals with dbh ≥ 10 cm were recorded, belonging to 583 species, 267 genera and 71 families. The mean number of stems was 532 ± 75 stems ha-1. The mean Fisher's alpha index was 42.4 ± 6.5.
Doumenge, Charles   +2 more
core  

The making of novel ecosystems: A process‐based framework for measurement, analysis and application

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract Ecological novelty is emerging rapidly due to global change drivers such as climate shifts, species introductions, defaunation, and land‐use transformation. These changes challenge how we assess, understand and manage ecosystems in the Anthropocene.
Matthew R. Kerr   +7 more
wiley   +1 more source

Agriculture urbaine et périurbaine dans la ville de Lomé et ses banlieues

open access: yesRevue Marocaine des Sciences Agronomiques et Vétérinaires, 2021
L’agriculture urbaine et périurbaine (AUP) contribue à l’alimentation et aux revenus des populations. La présente étude a cartographié les espaces agraires, caractérisé les personnes impliquées, les pratiques culturales et les espèces cultivées et évalué
Wouyo ATAKPAMA   +5 more
doaj  

Population Viability Analysis to Inform Reintroduction Decisions for a Group‐Living Primate, the Barbary Macaque

open access: yesAnimal Conservation, EarlyView.
We developed a population viability analysis to inform reintroduction strategies for the endangered Barbary macaque (Macaca sylvanus), incorporating age‐specific vital rates, release costs on survival and reproduction, environmental and demographic stochasticity, and catastrophic events.
Elisa Neves   +8 more
wiley   +1 more source

La littérature en marche pour un patrimoine écologique : les randonnées de Jean Giono et Marcel Pagnol

open access: yesRelief: Revue Électronique de Littérature Francaise
La randonnée littéraire en Provence donne la primeur à Jean Giono et Marcel Pagnol, qui deviennent des acteurs pour la préservation écologique. En labellisant un territoire à leur nom, ces écrivains contribuent à transformer l’espace en territoire de ...
Marion Brun
doaj   +1 more source

La figuration cartographique de l’espace sonore

open access: yesImages Re-Vues, 2011
L’appréhension du paysage sonore soulève deux problèmes. D'une part, la manière de considérer la dimension sonore dans l'environnement a longtemps été négative, car focalisée sur le bruit et la gêne qu'il procure.
Joël Chételat
doaj   +1 more source

Senescence of the immune defences and reproductive trade-offs in females of the mealworm beetle, Tenebrio molitor

open access: yesScientific Reports, 2022
In the theory of ageing, it has been assumed that ageing is associated with a decline in somatic defences, including the immune system, as a consequence of a trade-off with reproduction.
Charly Jehan   +3 more
doaj   +1 more source

Impact of Forest Fragmentation and Associated Edge Effects on Tropical Forest Biodiversity in North West Madagascar, Assessed via Ecoacoustics

open access: yesAnimal Conservation, EarlyView.
Deforestation in the tropics is a major threat to forest‐specialist animals, many of which are already threatened with extinction. We assessed how forest fragmentation and its associated edge‐effects impact animal biodiversity in Northwest Madagascar using soundscape analysis and acoustic indices.
Daniel Hending   +6 more
wiley   +1 more source

Representativeness of the Natura 2000 network for preserving plant biodiversity in the European Union

open access: yesConservation Biology, EarlyView.
Abstract The Natura 2000 (N2K) network of protected areas is one of the main tools for area‐based conservation in the European Union (EU), yet its role in preserving plant biodiversity requires better understanding. We examined data kept in the European Vegetation Archive from over 1.2 million vegetation plots and obtained over 14.2 million plant ...
Michele Di Musciano   +41 more
wiley   +1 more source

Potential valorization of wood extractives from waste products of steam distillation of Aniba rosaeodora: antitermitic activity [PDF]

open access: yes, 2013
Aniba rosaeodora, is a slow growing evergreens of the Lauraceae family which are indigenous over a wide range of the Greater Amazon Region (the Guianas and Venezuela, Brazilian Amazon¿). The essential oil obtained from the wood has a characteristic aroma
Amusant, Nadine, Digeon, Alexis
core  

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