Results 21 to 30 of about 4,790 (125)

Lack of Compliance in Gillnet Fisheries Regulations Increases Risk to a Vulnerable Species

Fisheries Management and Ecology, EarlyView.
ABSTRACT This article presents an analysis of regulatory compliance in a Brazilian gillnet fishery, based on Vessel Monitoring System (VMS) tracking data. Satellite transmissions records, interpreted as proxies for gillnet haulings events, were analyzed and classified using a neural network to assess the level of compliance of the gillnet fleet.
Rodrigo Claudino dos Santos, Eduardo R. Secchi, Joanna Turner, Luis Gustavo Cardoso   +3 more
wiley   +1 more source

DNA barcoding uncovers two putative new species in Trachelyopterus (Siluriformes: Auchenipteridae)

Journal of Fish Biology, EarlyView.
Abstract Trachelyopterus is a cryptic genus within the Neotropical catfish family Auchenipteridae with a complex history of taxonomic revisions. Despite the notable morphological and genetic similarities among its species, some studies suggest that the genus harbours greater diversity than is currently recognized, including additional species yet to be
Fiorindo José Cerqueira, Maelin da Silva, Chrystian Aparecido Grillo Haerter, Sandra Mariotto, Liano Centofante, Eliana Feldberg, Orlando Moreira Filho, Vladimir Pavan Margarido, Daniel Rodrigues Blanco, Roberto Laridondo Lui   +9 more
wiley   +1 more source

Occurrence of Antibodies Anti‐Toxoplasma gondii in Captive Non‐Human Primates From Pernambuco State, Brazil

Journal of Medical Primatology, Volume 55, Issue 4, August 2026.
ABSTRACT Wildlife captive populations are important tools for threatened species conservation, and early identification of diseases must be prioritized. In this study, we test for the presence of anti‐Toxoplasma gondii antibodies in non‐human primates at a Zoo from Pernambuco State, Brazil.
Marcio André Silva, Hilda Fátima Jesus Pena, Herbert Sousa Soares, Dênisson Silva Souza, Solange Maria Gennari, Jean Carlos Ramos Silva   +5 more
wiley   +1 more source

O Cajueiro nativo de roraima na experiência do Prevfogo nas terras indígenas do "Lavrado":

Biodiversidade Brasileira, 2019
O estado de Roraima comporta a maior savana amazônica - o "lavrado", de cerca de 61 mil km², compartilhada em parte com a Guiana. A região é habitada pelas etnias Macuxi, Taurepang e Ingaricó (tronco linguístico Karib) e Wapichana (tronco Aruak ...
Ari Alfredo Weiduschat, Joaquim Parimé Pereira Lima   +1 more
doaj   +3 more sources

Enforcing environmental law in the Amazon

People and Nature, Volume 8, Issue 7, Page 2281-2294, July 2026.
Abstract This article identifies the underlying obstacles to enforcement of laws against environmental crimes such as illegal logging, mining and ranching. With four departments (provinces) from Colombia as case studies, it assesses enforcement of the country's main environmental law, Law 2111, which is one of Latin America's strongest. The article has
Mark Ungar, Juan Corredor‐Garcia
wiley   +1 more source

Cálculo de precipitação média utilizando método de Thiessen e as linhas de cumeada

Revista Ambiente & Água, 2018
O presente estudo propõe um método para calcular as áreas de influência baseado no Método de Thiessen e considerando as linhas de cumeada do relevo.
Alexandre Germano Marciano, Alexandre Augusto Barbosa, Ana Paula Moni Silva   +2 more
doaj   +1 more source

A quantitative analysis to detect mass mortality events (wrecks) in Procellariiformes

Journal of Applied Ecology, Volume 63, Issue 7, July 2026.
Our study provides the first systematic assessment of seabird mass mortality events in the South Atlantic and introduces a transferable statistical framework for detecting MMEs in other taxa and regions lacking baseline mortality information. By identifying recurrent temporal anomalies, high‐risk areas and vulnerable species, we could establish ...
Laura Baes, Ana Carolina Ewbank, Henrique Chupil, Carolina Reigada   +3 more
wiley   +1 more source

Estrutura da comunidade arbórea em um fragmento de floresta estacional semidecidual localizada na reserva legal da fazenda Irara, Uberlândia, MG

Bioscience Journal, 2010
Foi realizado o levantamento fitossociológico de um fragmento de floresta estacional semidecidual localizada na reserva legal da Fazenda Irara, Uberlândia - MG.
Jamir Afonso do Prado Júnior, Vagner Santiago do Vale, Ana Paula de Oliveira, André Eduardo Gusson, Olavo Custódio Dias Neto, Sérgio de Faria Lopes, Ivan Schiavini   +6 more
doaj  

Pathways of Introduction and Expansion Dynamics of Non‐Native Species in an Island Ecosystem

Diversity and Distributions, Volume 32, Issue 7, July 2026.
ABSTRACT Aim Biological invasions are a global challenge, largely driven by human‐mediated introductions beyond species' native ranges. Island ecosystems are particularly vulnerable, as invasions have caused some of the most profound and detrimental impacts on native and endemic biota.
Jorge Gutiérrez‐Rodríguez, Marina Trillo, Joaquín Ortego   +2 more
wiley   +1 more source

A New Look into the South America Precipitation Regimes: Observation and Forecast

Atmosphere, 2022
South America is a vast continent characterized by diverse atmospheric phenomena and climate regimes. In this context, seasonal climate predictions are helpful for decision-making in several relevant socioeconomic segments in this territory, such as ...
Glauber W. S. Ferreira, Michelle S. Reboita   +1 more
doaj   +1 more source