Results 171 to 180 of about 3,171,918 (327)

A Transferable Individual‐Based Framework for Quantifying Demographic Structure and Spatial Organization in Colonial Species Using UAV Imagery

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Adélie penguins gather in colonies as standing or prone adults, individual chicks, and chick crèches. From drone images, we distinguish adults and chicks by their plumage, identify adult postures by body shape, and estimate the size of chick groups from the area they occupy. We map these groups and measure how closely penguins live together.
Junqi Qin   +4 more
wiley   +1 more source

Integrated assessment of meteorological drought impacts on terrestrial water storage and vegetation dynamics in East Africa

open access: yesRiver, EarlyView.
Abstract Water is essential for life, and effective hydrological management is crucial for economic stability and quality of life. Poor water resource governance can lead to scarcity, displacement, or even fatal consequences. Hydrological conditions in East Africa are influenced by drivers such as demographic expansion, industrialization, droughts, and
Mekuanint Eresho Wollebo   +2 more
wiley   +1 more source

National Policy Coherence Counts for Reducing Inequality in Global Climate and Development Agendas

open access: yesSustainable Development, EarlyView.
ABSTRACT International institutions promote policy coherence as crucial to the effective and fair implementation of global sustainability agendas, though the evidence for its benefits is slim. We present here the first systematic cross‐country dataset on the consequences of national government efforts to promote policy coherence for vulnerable groups ...
Katherine Browne   +10 more
wiley   +1 more source

Tracking Post‐Consumer Packaging Plastics With Global Positioning Systems: Pilot Study in Malaysia

open access: yesSustainable Development, EarlyView.
ABSTRACT Landfilling and the mismanagement of packaging plastic waste pose significant challenges in developing countries, especially in Southeast Asia. There is an empirical gap in plastic waste management data, which is largely handled by informal players despite established municipal solid waste collection systems.
Shafeeq Ahmed Syed Ali   +4 more
wiley   +1 more source

Right to Food in Sub‐Saharan Africa: Challenges, Policies, and Sustainable Strategies

open access: yesSustainable Development, EarlyView.
ABSTRACT This article examines the multifaceted issue of food security in Sub‐Saharan Africa and the critical importance of upholding rights to food in the region. It explores the challenges posed by food insecurity, analyzes existing policies and interventions, and proposes sustainable strategies to enhance food security.
Helen Onyeaka   +6 more
wiley   +1 more source

Detecting changes in distribution and abundance using harvest data in two sympatric bear species in Southeast Alaska

open access: yesWildlife Biology, EarlyView.
Monitoring wildlife populations in remote landscapes is challenging due to the difficulties of conducting field surveys. However, harvest data, which are routinely collected by management agencies, offer valuable insights into population trends. Brown bear Ursus arctosand American black bear U.
Philip R. Douchinsky   +4 more
wiley   +1 more source

Movement and Space Use Patterns of the Beale's Eyed Turtle (Sacalia bealei) Suggest Sensitivity to Environmental Changes and Poaching 比氏眼斑龟 (Sacalia bealei) 的活动与空间利用模式揭示其对环境变化及盗猎的敏感性

open access: yesWildlife Letters, EarlyView.
Using radiotelemetry, we found that the movement and home range of the endangered Sacalia bealei varied significantly across reproductive classes and seasons, with males exhibiting greater movement than females during wet and mating seasons. The species exhibits strong aquatic dependence, favoring deep pools interspaced among riffle‐pool sequences ...
Wing Sing Chan   +3 more
wiley   +1 more source

Validation of GOCI Ocean Color Products via Comparison with In-Situ and MODIS Data

open access: yes, 2014
Geostationary Ocean Color Imager (GOCI) data has been operated successfully for more than 3.5 years since its launch in June, 2010. Various modifications have been made in atmospheric correction and other algorithms to secure good quality of GOCI’s ...
박영제   +3 more
core  

From landscapes to lesions: Pathology's role in wildlife mortality investigations and conservation health

open access: yesWildlife Society Bulletin, EarlyView.
Wildlife mortality investigations are important toward understanding health threats to wildlife and management considerations. The who, what, why and how are critical pieces of these investigations. Wildlife pathologists play a central role in this process in elucidating causes and contributors to mortality. Abstract To effectively recognize and manage
Nicole M. Nemeth
wiley   +1 more source

A versatile on‐axis visualization system for the macromolecular crystallography beamline BM07 at the ESRF

open access: yesJournal of Synchrotron Radiation, EarlyView.
A compact on‐axis microscope installed on the endstation of the macromolecular crystallography beamline BM07 at the ESRF is described. The system combines dual‐magnification on‐axis sample visualization with on‐axis laser injection and fluorescence measurements in back‐scattering geometry.
Alexandre Appolaire   +6 more
wiley   +1 more source

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