Results 61 to 70 of about 67,641 (216)

Unravelling the drivers of island species richness in tropical savannas

Journal of Ecology, Volume 114, Issue 4, April 2026.
Murundu island area explains a substantial proportion of the variation in tree and herb richness, consistent with Island Biogeography Theory. On average, a 10% increase in island size corresponds to increases of seven tree species and 7.8 herb species.
Henrique A. Mews, Denis S. Nogueira, Ben Hur Marimon‐Junior, Reginaldo Constantino, Oliver L. Phillips, Beatriz S. Marimon   +5 more
wiley   +1 more source

Automating the analysis of public saliency and attitudes toward biodiversity from digital media

Conservation Biology, Volume 40, Issue 2, April 2026.
Abstract Measuring public attitudes toward wildlife provides crucial insights into human relationships with nature and helps monitor progress toward Global Biodiversity Framework targets. Yet, conducting such assessments at a global scale presents challenges.
Noah Giebink, Amrita Gupta, Diogo Veríssimo, Charlotte H. Chang, Tony Chang, Angela Brennan, Brett G. Dickson, Alex Bowmer, Jonathan Baillie   +8 more
wiley   +1 more source

Hyperdominant Trees Reveal Savanna Vulnerability Under Climate Change

Global Change Biology, Volume 32, Issue 4, April 2026.
The Brazilian Cerrado's forest structure relies disproportionately on just 30 hyperdominant tree species, which represent 50% of all individuals despite accounting for only 2% of species richness. This study evaluates their vulnerability under climate change scenarios for 2100.
Facundo Alvarez, Ben Hur Marimon‐Junior, Beatriz Schwantes Marimon, Wesley Jonatar Alves da Cruz, Norberto Gomes Ribeiro Júnior, Raiane Gonçalves Béu, Polyanna da Conceição Bispo, Aldair de Souza Medeiros, Glécio Machado Siqueira, Marcelo Leandro Bueno, Fabiana de Gois Aquino, Frederico Augusto Guimarães Guilherme, José Roberto Rodrigues Pinto, Henrique Augusto Mews, Bruno Machado Teles Walter, Sabrina do Couto de Miranda, Ricardo Flores Haidar, Eddie Lenza de Oliveira, Renata Dias Françoso Brandão, Eraldo Aparecido Trondoli Matricardi, Cássia Beatriz Rodrigues Munhoz, Edson de Souza Lima, Maria Antônia Carniello, Mercedes Maria da Cunha Bustamante, Paulo Sérgio Morandi, Edmar Almeida de Oliveira, Zenésio Finger, Eder Carvalho das Neves, Fernando Elias, Immaculada Oliveras Menor, Simone Matias de Almeida Reis, Oliver Phillips, Ted R. Feldpausch   +32 more
wiley   +1 more source

Underrepresentation of bats in Africa's protected areas

Conservation Biology, Volume 40, Issue 1, February 2026.
Abstract Biodiversity is severely threatened globally, with habitat loss and other human pressures accelerating species extinctions. Protected areas (PAs) are a critical conservation tool; however, their effectiveness in safeguarding many taxa, such as bats, remains unclear.
Cecilia Montauban, Ivana Budinski, Paul W. Webala, Theresa M. Laverty, Iroro Tanshi, Laura Torrent, Eric Bakwo‐Fils, Peter J. Taylor, Adam Kane, Ara Monadjem   +9 more
wiley   +1 more source

Spatial segregation and bycatch risk as potential drivers of population trends of wandering albatrosses at South Georgia

Conservation Biology, Volume 40, Issue 1, February 2026.
Abstract Spatial segregation in at‐sea distribution is frequently observed in seabirds and can have important implications for conservation and management. Globally, many albatross and petrel populations are declining due to bycatch in fisheries. In South Georgia, the decrease in wandering albatrosses (Diomedea exulans) differs among breeding sites ...
V. Warwick‐Evans, E. J. Pearmain, L. Thorne, R. A. Phillips   +3 more
wiley   +1 more source

Contribution of microcosm experiments to conservation science

Conservation Biology, Volume 40, Issue 1, February 2026.
Abstract Microcosms, or miniature experimental systems, have been used to develop models and theories in ecology. However, their contribution to conservation science is unclear. We explored the application, design, and impact of microcosms in conservation science from 469 systematically identified articles published from 1986 to 2023.
Eleanor R. Stern, Peter A. Vesk, Chris C. Clements, Michael A. McCarthy   +3 more
wiley   +1 more source

ANÁLISE DA VOLATILIDADE DOS PREÇOS DE BOI GORDO NO ESTADO DE SÃO PAULO: UMA APLICAÇÃO DOS MODELOS GARCH [PDF]

O presente trabalho teve como objetivo realizar uma análise da volatilidade do retorno dos preços de boi gordo no Estado de São Paulo; examinando-se dois fatores determinantes, a persistência de choques e assimetrias na volatilidade, por meio da ...
Silva, Carlos Alberto Goncalves da
core   +1 more source

REDES NEURONALES ARTIFICIALES: PREDICCIÓN DE LA VOLATILIDAD DEL TIPO DE CAMBIO DE LA PESETA [PDF]

In this work, we propose the use of Artificial Neural Networks (ANNs), with theobjective of predicting the volatility of peseta exchange rate. Firstly, we perform anexhaustive analysis of the forecasting ability of ANNs by comparing them against ...
Ignacio Olmeda, María Bonilla, Paulina Marco   +2 more
core  

The Miners of South America: Impacts of Climate Change on the Distribution of Geositta Miners Along Elevational Gradients

Biotropica, Volume 58, Issue 1, January 2026.
We modeled the current and future distributions of seven Geositta species along elevational gradients in South America under two climate change scenarios. Our results show that most species are projected to lose suitable habitats, particularly under the high‐emission scenario, with distinct responses between lowland and highland taxa.
Ricardo C. Meireles, Leonardo E. Lopes, Gustavo R. Brito, Ricardo Solar   +3 more
wiley   +1 more source

Price volatility forecasts for agricultural commodities:an application of volatility models,option implieds and composite approaches forfutures prices of corn and wheat [PDF]

There has been substantial research effort aimed to forecast futures price return volatilities of financial and commodity assets. Some part of this research focuses on the performance of time-series models (in particular ARCH models) versus option ...
Benavides, Guillermo
core