Results 81 to 90 of about 579,088 (287)

Phenology and gross primary production of two dominant savanna woodland ecosystems in Southern Africa

open access: yes, 2013
Accurate estimation of gross primary production (GPP) of savanna woodlands is needed for evaluating the terrestrial carbon cycle at various spatial and temporal scales.
Merbold, L.   +5 more
core   +1 more source

The Sustainability of Robusta Coffee Under Global Change—A Review

open access: yesSustainable Development, EarlyView.
ABSTRACT This contribution reviews the scientific evidence concerning climate resiliency claims as well as sustainability issues for robusta coffee (Coffea canephora), focusing on: climate change analyses, climate parameters, soil water, and farming inputs, especially irrigation and synthetic fertilizer use.
Aaron P. Davis   +2 more
wiley   +1 more source

The Socio‐Economic Benefits of Communal Trophy Hunting in Africa: A Value Chain Perspective From Namibia

open access: yesSustainable Development, EarlyView.
ABSTRACT International concerns around the equitable distribution of income generated by communal trophy hunting tourism have raised questions about the industry's effectiveness in promoting rural livelihoods and nature conservation. We examine how communities in Namibia derive benefits from wildlife and explore local perspectives on fostering active ...
Luke Symonds‐Mayes   +2 more
wiley   +1 more source

Antimicrobial Residues in a Key Cerrado River: Distribution, Persistence, and Effects on Zebrafish Embryo‐Larval Development

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT The current study aimed to quantify the antimicrobials amoxicillin (AMX), cefazolin (CFZ), chloramphenicol (CHL), metronidazole (MTZ), and sulfamethoxazole (SX) in effluents and surface water of an important Cerrado river, calculate their half‐lives, and analyze their ecotoxicity following single and combined exposures.
Náthala Maria Simão   +12 more
wiley   +1 more source

‘Using anuran community diversity and Pseudacris crucifer to predict landscape quality across a land use gradient'

open access: yesWildlife Biology, EarlyView.
As human‐modified landscape and climate changes proliferate, maintaining biodiversity and understanding the function and quality of available habitat is imperative. As anurans (frogs/toads) such as Pseudacris crucifer, can be an indicator species of habitat quality and ecosystem productivity, studying the anuran community in a mixed‐land use region ...
Brian C. Kron, Karen V. Root
wiley   +1 more source

Variation in herbivore space use: comparing two savanna ecosystems with different anthrax outbreak patterns in southern Africa. [PDF]

open access: yesMov Ecol, 2023
Huang YH   +9 more
europepmc   +1 more source

Importance of woody patches and vegetation heterogeneity in Texas tortoise microhabitat use

open access: yesWildlife Biology, EarlyView.
Microhabitat sites provide important resources and thermal conditions to reptile species that can vary spatially and temporally. This study assessed Texas tortoise Gopherus berlandieri microhabitat use and its relationship with carapace temperature during their active (April–October) and inactive seasons (November–March) between January 2023 and ...
Camryn M. Kiel   +6 more
wiley   +1 more source

Distribution Patterns and Community Assembly of Soil Nematodes Along Elevation Gradients in a Dry-Hot Valley. [PDF]

open access: yesEcol Evol
In the Yuanjiang dry‐hot valley, soil moisture is the primary driver of nematode abundance. Soil nutrients play a more important role in determining nematode diversity and community composition. Drought stress does not influence the assembly of soil nematode communities.
Zhang J   +6 more
europepmc   +2 more sources

Nitrogen compounds emission and deposition in West African ecosystems: comparison between wet and dry savanna

open access: yes, 2011
International audienceSurface emission and deposition fluxes of nitrogen compounds have been studied in five sites of West Africa during the period 2002 to 2007. Measurements of N deposition fluxes have been performed in IDAF sites representative of main
Diop, B.   +13 more
core   +1 more source

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