Results 21 to 30 of about 207 (132)

Integrating Urban Expansion and Flood Risk: A Spatial Assessment of Impervious Surface Growth and Floodplain Exposure in Mecklenburg County (2011–2021)

open access: yesWorld Water Policy, Volume 12, Issue 1, February 2026.
ABSTRACT Urban expansion significantly impacts flood risk, particularly in rapidly growing areas where impervious surfaces exacerbate surface runoff. This study examines spatial patterns of urban growth and their effects on flood exposure in Mecklenburg County, North Carolina, from 2011 to 2021.
Pegah Madadi, Azad Sadeghi
wiley   +1 more source

Introducción a kernel ACP y otros métodos espectrales aplicados al aprendizaje no supervisado Introduction to Kernel PCA and other Spectral Methods Applied to Unsupervised Learning

open access: yesRevista Colombiana de Estadística, 2008
En el presente trabajo, se introducen las técnicas de kernel ACP (KACP) y conglomeramiento espectral con algunos ejemplos ilustrativos. Se pretende estudiar los efectos de aplicar ACP como preproceso sobre las observaciones que se desean agrupar, para lo
LUIS GONZALO SÁNCHEZ   +2 more
doaj  

PADRÃO ESPACIAL DA MALÁRIA EM POPULAÇÕES INDÍGENA E NÃO INDÍGENA NO ESTADO DO PARÁ

open access: yesCogitare Enfermagem, 2021
Objetivo: analisar o padrão espacial da malária nas populações indígena e não indígena no estado do Pará. Método: estudo ecológico, com análise de 379.511 casos de malária notificados ao Sistema de Informação de Vigilância Epidemiológica – Malária, no ...
Rosinelle Janayna Coêlho Caldas   +5 more
doaj   +1 more source

Key drivers of at‐vessel mortality in demersal sharks

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Chondrichthyans are highly vulnerable to fisheries overexploitation, and postcapture mortality poses a significant threat to most species. Global bycatch mitigation guidelines recommend adopting hierarchical decision‐making approaches tailored to species‐specific vulnerabilities and socioeconomic and regulatory contexts.
David Ruiz‐García   +3 more
wiley   +1 more source

Mapeando áreas de potencial interação entre a atividade pesqueira e hotspots de baleias-francas na Área de Proteção Ambiental da Baleia-Franca, litoral sul de Santa Catarina, Brasil

open access: yesBiotemas, 2022
Após o fim da caça das baleias-francas, a interação com as atividades antrópicas, como a atividade pesqueira, é uma das principais ameaças à conservação desses animais no Sul do Brasil.
Camila Rosana Morais de Medeiros   +6 more
doaj   +1 more source

Comparison of drone and ground surveys for the detection of a rare plant in a fragile ecosystem

open access: yesEcological Solutions and Evidence, Volume 7, Issue 1, January–March 2026.
We compared the accuracy, time, and financial costs of drone and ground surveys for the detection of wood lilies (Lilium philadelphicum) in an endangered alvar ecosystem. We found that the drone surveys detected 73%–78% of the plants found in the ground surveys, but that this type of survey was more expensive and time consuming than the ground survey ...
Ana Hernández Martínez de la Riva   +3 more
wiley   +1 more source

Espacialização da leptospirose em Aracaju, Estado de Sergipe, no período de 2001 a 2007

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 2011
INTRODUÇÃO: A leptospirose, enfermidade causada por uma espiroqueta patogênica do gênero Leptospira, é uma das zoonoses mais difundidas no mundo, considerada um importante problema de saúde pública.
Clênio Bezerra de Melo   +5 more
doaj   +1 more source

Sustained contraceptive‐level plasma concentrations of 4,4′‐dinitrocarbanilide in free‐ranging urban feral pigeons fed a custom bait Niveles plasmáticos altos y sostenidos de 4,4′‐dinitrocarbanilida en palomas domésticas libres alimentadas con un cebo anticonceptivo

open access: yesWildlife Society Bulletin, Volume 49, Issue 4, December 2025.
We assessed the acceptability and consumption of a custom‐developed nicarbazin bait for feral pigeons, inferred its contraceptive efficacy, and evaluated the reversibility of its effects upon cessation of treatment. Only feral pigeons consumed the bait, except for one eared dove that also ingested the food. Continuous administration of this bait raised
Joaquín L. Navarro   +7 more
wiley   +1 more source

Talking as friends: Weaving local and scientific knowledge to co‐produce an integrated index to assess rangeland multifunctionality in a dryland Biosphere Reserve in Mexico

open access: yesPeople and Nature, Volume 7, Issue 11, Page 3036-3056, November 2025.
Abstract The complexity of sustainability challenges and the need for transformative change have prompted the exploration of novel approaches for knowledge co‐generation and decision‐making. This calls for integrative assessment methods that meaningfully include and represent diverse knowledge systems, capturing multiple values, needs and interests as ...
Ricardo Ismael Mata‐Páez   +6 more
wiley   +1 more source

Governing the Ungovernable: Mapping the Development of Groundwater Irrigation and Groundwater Policies in India

open access: yesWorld Water Policy, Volume 11, Issue 4, Page 1048-1064, November 2025.
ABSTRACT Groundwater governance is complex due to several externalities associated with groundwater being an invisible natural resource tied to the land with millions of extractors and limited means of exclusion. The paper traces the evolution of groundwater irrigation in India and the corresponding change in groundwater laws and policies to address ...
Anindita Sarkar, Amrita Sarkar
wiley   +1 more source

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