Results 31 to 40 of about 492,697 (152)
Integrative Conservation, Volume 5, Issue 3, Page 255-267, September 2026.This study presents a comprehensive review of the 500‐year spatiotemporal evolution of global botanical gardens, identifying three major development stages—initial exploration (1543–1699), steady expansion (1700–1899), and rapid proliferation (1900–2020)—with six distinct sub‐stages. We propose a tripartite driving framework grounded in colonial botany
Shidong Li, Guangzhen Shi, Qingwei Li
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Integrative Conservation, Volume 5, Issue 3, Page 281-292, September 2026.We comprehensively evaluated the seed plant diversity of Jiangxi province to address the regional biodiversity conservation of Asian subtropical evergreen broad‐leaved forests (EBLFs). Higher species diversity of seed plants was observed in eastern, southern, and western Jiangxi, with elevation and precipitation as mainly environmental factors.
Minqin Duan +8 more
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Shuitu Baochi Xuebao目的通过研究出露基岩形状及空间分布对喀斯特区坡地水土流失的影响，为进一步认识喀斯特坡地自然降雨条件下侵蚀规律提供科学依据。方法以喀斯特不同岩土覆被坡地为研究对象，通过自然降雨监测，研究自然降雨、出露基岩形状及空间分布对喀斯特坡地产流产沙的影响。结果1）基岩形态在雨中降雨强度下对地表径流影响显著，小雨、中雨条件下K型格局（2.01、4.79 L）>L型格局（1.75、3.34 L），大雨及以上降雨时，此趋势出现反转；空间分布对地表产流无明显影响。2）基岩形态在5种降雨条件下对坡地壤中流影响显著 ...
张心印 +3 more
doaj +2 more sources
Wildlife Letters, Volume 4, Issue 3, Page 131-138, September 2026.Using a 3‐year, broad‐scale camera‐trap network in western Kansas, we tested whether coyotes and American badgers exhibit spatiotemporal patterns consistent with coordinated hunting. Despite high diel activity overlap, detection‐conditioned co‐detections occurred far less frequently than expected under independence, and short‐term temporal sequencing ...
Ty J. Werdel +3 more
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Shuitu Baochi Xuebao, 2022 准确识别土地利用格局时空演变规律和轨迹特征, 对科学推进该地区生态保护和社会经济高质量发展具有重要意义。采用1990年、2005年和2018年3期土地利用数据构建鄂西南地区土地利用变化轨迹序列, 利用土地利用变化各项指数、弦图可视化、标准差椭圆方法, 从地类总量变化特征、数量变化轨迹特征和空间变化轨迹特征3个方面开展, 揭示近30年来鄂西南地区土地利用格局时空演变特征与变化趋势。结果表明: (1)土地利用总量变化稳定性特征明显。林地和耕地始终是研究区主要土地利用类型, 耕地持续减少, 建设用地持续增加,
左岍, 周勇, 李晴, 王丽
doaj
Wildlife Letters, Volume 4, Issue 3, Page 107-117, September 2026.Human‐caused leopard deaths in Sri Lanka averaged 9.65 ± 4.5 records year−1 over 17 years (2008–2024; n = 164), with records highly clustered in the central highland mosaic ecosystem. Mortality was dominated by adult males and driven primarily by snaring in plantation landscapes, and indicating an increase approximately 0.7–0.8 deaths per year.
Sanjaya Weerakkody +11 more
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Shuitu Baochi Xuebao, 2003 通过对1986,2000年两期TM图像的解译,获得甘肃省14年间土地利用与土地沙漠化变化情况.通过GIS,建立了甘肃省土地沙漠化与土地沙漠化潜在程度数据库.利用沙漠化发展指数与主成分分析法,进行了甘肃省土地沙漠化发展与潜在沙漠化程度空间格局分析.研究表明,甘肃省沙漠化发展规模呈现河西走廊大于东部其他地区.但是,东部总体沙漠化发展程度要强于河西走廊地区.由于受沙漠化致灾因素的影响,潜在沙漠化程度的空间格局基本与沙漠化发展规模空间格局一致.
马安青 +3 more
doaj
Coupled Structural Characteristics Boost Brazing Performance of Ti2AlNb Alloy
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Brazing of Ti2AlNb alloy is a pivotal technique for new generation aero‐engine lightweight structures, yet developing novel filler metal and achieving the extraordinary performance of titanium alloy brazed joints remains challenging. Here, this study designed an innovative filler metal (Ti70‐xZrxCu15Ni15) and developed inspired coupled ...
Yinchen Wang +13 more
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Conservation Biology, Volume 40, Issue 4, August 2026.Abstract Bycatch in fisheries is one of the most serious threats to pelagic seabirds, causing major population declines. Mitigation measures can reduce bycatch substantially, but many fisheries fail to apply best practices, and seabird mortality remains high.
V. Warwick‐Evans +2 more
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Uncovering correlates of decline and critical refuges for a threatened terrestrial mammal
Conservation Biology, Volume 40, Issue 4, August 2026.Abstract Globally, the geographic ranges of numerous species are contracting. Identifying spatiotemporal patterns of threat impact can illuminate why species decline in some parts of their range but persist in others. We developed a correlative approach to identify species’ response thresholds and locate ecological refuge areas associated with ...
Natalya M. Maitz +5 more
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