Results 11 to 20 of about 633,100 (149)

From pollen provision to pollinator: Species‐specific sterol assimilation by wild bees in urban landscapes

open access: yesFunctional Ecology, Volume 40, Issue 6, Page 1906-1920, June 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Human‐driven landscape change, particularly urbanization, is reshaping pollinator communities, yet the functional traits that mediate species persistence remain poorly understood. Dietary specialization is commonly used to predict species vulnerability.
Yan Yang   +5 more
wiley   +1 more source

Calibration of the species threat abatement and restoration metric's threat abatement component in a Costa Rican landscape

open access: yesConservation Biology, Volume 40, Issue 3, June 2026.
Abstract Achieving global conservation policy goals requires the ability to set and measure progress toward science‐based targets for biodiversity. The species threat abatement and restoration (STAR) metric was developed to enable actors to set science‐based targets for species.
Louise Mair   +17 more
wiley   +1 more source

黄土丘陵县域尺度整体景观格局分析

open access: yesShuitu Baochi Xuebao, 2005
以土地利用图为基础,利用GIS和统计分析相结合,选取景观优势度、景观形状指数、景观破碎度和平均景观斑块分维等指标.对黄土丘陵区安塞县景观空间分布和结构特征进行了分析研究。结果显示:人类活动对各种景观类型的优势度的影响十分显著,集中体现在坡耕地和荒坡地上,二者面积之和达到总面积的73.12%;随着人类活动影响的增强,景观破碎度指数呈显著增加趋势;斑块形状受地貌形态因素的影响更为显著,集中体现在有林地和荒坡地上,其形状指数值大于其它景观类型;随着斑块面积的增加,平均斑块分维数总体趋势呈缓慢上升。这些结果表明,
焦峰 温仲明 王飞 张晓萍 杨勤科 李锐
doaj   +2 more sources

Informing spatial conservation prioritization with species’ traits

open access: yesConservation Biology, Volume 40, Issue 2, April 2026.
Abstract New Guinea, the most botanically diverse island on the planet, is the location for one of the boldest conservation initiatives. The Manokwari Declaration aims to achieve 70% conservation designation for the Bird's Head Peninsula. This is 40% higher than the 2022 Global Biodiversity Framework target.
Liam A. Trethowan   +27 more
wiley   +1 more source

GIS支持下的土壤侵蚀强度景观空间结构研究

open access: yesShuitu Baochi Xuebao, 2001
从土壤侵蚀角度看,自然生态系统景观由微度土壤侵蚀和其它等级土壤侵蚀强度的地域组成 ,其景观基本元素有斑、廊、基.在GIS支持下研究了宜昌地区土壤侵蚀强度景观的面积对比、多样性指数、优势度指数和多度等参数.通过RS-GIS一体化的土壤侵蚀遥感调查,认为宜昌地区中观尺度的土壤侵蚀强度景观结构类型有散置斑块景观、指状交错景观、网络景观.
张志 华学理
doaj  

Efficacy of Der f 2/Zen 1‐LAMP1 Plasmid‐Based Vaccine Immunotherapy in Dogs With Atopic Dermatitis: A Proof‐of‐Concept Study

open access: yesVeterinary Dermatology, Volume 37, Issue 2, Page 306-318, April 2026.
Background: DNA‐based vaccination rapidly induces strong cellular and humoral immune responses, which may be enhanced by inclusion of lysosomal‐associated membrane protein‐1 (LAMP). Objectives: This proof‐of‐concept study evaluated the efficacy and safety of a Der f 2/Zen 1‐LAMP‐based DNA vaccine immunotherapy in client‐owned dogs with nonseasonal AD ...
Petra Bizikova   +6 more
wiley   +1 more source

黄河黑山峡水电开发建设对区域景观格局的影响

open access: yesShuitu Baochi Xuebao, 2006
应用景观生态学原理,建立了区域景观格局指标体系;以黄河黑山峡水电开发建设方案为背景,在3S技术支持下,通过对TM影像解译,在获取大量数据和分析项目区景观格局现状的基础上,研究了水电开发备选建设方案对区域景观格局的影响。结果显示,备选方案中的梯级方案实施后,区域景观的多样性、均匀度以及景观生态风险指数变化不大,对区域原有景观生态系统的影响相对较小,区域原有生态体系的性质和功能没有发生显著变化。
张文静   +6 more
doaj   +2 more sources

Randomised, Double‐Blinded, Placebo‐Controlled Challenge Test With Single Food Items in Dogs With Atopic Dermatitis and Adverse Food Reactions

open access: yesVeterinary Dermatology, Volume 37, Issue 2, Page 247-256, April 2026.
ABSTRACT Background Identification of offending foods in dogs with adverse food reactions is usually based on “deterioration” during open food challenges. Objectives To examine the placebo effect during double‐blinded, placebo‐controlled food challenges using a predefined set of criteria for relapse.
Evi I. Sofou   +4 more
wiley   +1 more source

Mountains Without Borders: Scaling up Conservation Success for Snow Leopards

open access: yesIntegrative Conservation, Volume 5, Issue 1, Page 1-4, March 2026.
This special issue assembles pioneering research addressing three critical and interconnected challenges: establishing where viable populations persist at range edges, advancing methods to monitor this cryptic species and its prey effectively, and evaluating whether landscapes remain connected across political boundaries.
Juan Li, Lingyun Xiao
wiley   +1 more source

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

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