Results 21 to 30 of about 1,237 (170)
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 +3 more
wiley +1 more source
野生动物学报, 2016 水位不仅直接关系着湿地的存在,更关系着湿地水鸟的栖息利用。关于湿地水鸟栖息水位的测量,一直是难以解决的关键问题。目前在科研中普遍采用相对水位测量,但多难以反映水鸟所在位置的真实水位和真实的科研成果。为了更为深入地掌握湿地水鸟栖息水位的真实数据,对鸟体形态指标法和水文水位法进行了方法步骤、优缺点等方面的详细介绍,并初步认为:鸟体形态指标法理论上更适合湿地水鸟栖息水位的测量,且是可行的,建议尝试使用鸟体形态指标法进行实践验证和推广。
吴庆明 何富英 苏立英 朱井丽 邹红菲
doaj
, 2014 自18世纪以来,中世纪早期流传下来的"埃克塞特书"受到学者们的广泛关注,书中谜语更是引起热烈讨论。谜语惯用隐喻、拟人、对偶冲突等手法,具有模糊、晦涩的特点,通常不被视为严肃的知识形态,谜语史也极少受到科学史界关注。实际上,埃克塞特书中的谜语包含丰富的博物学知识,分析其中的谜语既能了解中世纪博物学的特点 ...
熊姣
core
Assessing the Corn Belt as an anthropogenic barrier to migrating landbirds in the United States
Conservation Biology, Volume 39, Issue 5, October 2025.Abstract Migrating landbirds adjust their flight and stopover behaviors to efficiently cross inhospitable geographies, such as the Gulf of Mexico and the Sahara Desert. In addition to these natural barriers, birds may increasingly encounter anthropogenic barriers created by large‐scale changes in land use. One such barrier could be the Corn Belt in the
Fengyi Guo +7 more
wiley +1 more source
On the normative roles of biodiversity and naturalness in conservation
Conservation Biology, Volume 39, Issue 5, October 2025.Abstract Nature is an opaque concept. Consequently, the term biodiversity conservation has replaced nature conservation in most conservation contexts. We review the conceptual indeterminacies that plague the terms nature and natural but then show that comparable difficulties plague biodiversity.
David Saltz, Shlomo Cohen
wiley +1 more source
野生动物学报, 2008 红碱淖湿地位于中国候鸟迁徙的主要路线上,水鸟分布较为集中,是遗鸥、大天鹅等珍稀水鸟的重要迁徙停歇地和繁殖地。通过对红碱淖湿地遗鸥及水鸟的种群和分布进行了8 a的实地调查和研究,统计分析了红碱淖2001～2007年的遗鸥和水鸟的种群数量动态变化。研究结果表明2007年红碱淖湿地的遗鸥繁殖巢数达5 036巢,种群数量10 072只,已成为全球最大遗鸥种群,在此基础上,还总结了红碱淖湿地7目14科55种水鸟的分布和保护价值,为水鸟的保护和管理提供了依据,对红碱淖湿地遗鸥及水鸟的保护具有重要意义。
周灵国 +4 more
doaj
Wildlife Letters, Volume 3, Issue 3, Page 109-117, September 2025.We found that the Asian Openbill primarily roosted near waterbodies and frequently used farmland habitats, with significantly higher populations observed during the breeding season. Farmland and wetland areas exhibited a positive effect on the species' habitat use.
Ganesh Tamang +3 more
wiley +1 more source
野生动物学报, 2013 2011年3月～2012年11月,采用样线法对宾县地区沿松花江两侧湿地鸟类种类进行了调查,并对其不同季节的鸟类多样性进行分析。记录鸟类131种,隶属于12目36科。其中水鸟（包括涉禽和游禽）48种,占总数的36.6%;非水鸟83种,占63.4%。水鸟中以鸻形目鸟类为主,共22种,非水鸟类中以雀形目占绝对优势,共66种。动物地理区系划分上古北界鸟类有101种,占总数的77.1%,广布种30种,占总数的22.9%。在水域、沼泽、草甸及居民区、灌丛、林地4种典型生境中,鸟类群落多样性指数Hm水域>Hm草甸 ...
潘洁, 郝志, 张军
doaj
Differences in Burrow Morphology of the Mud Shore Crabs between Spartina alterniflora and Mangroves [PDF]
, 2011 本实验用聚酯树脂浇塑法制备了云霄红树林区光滩、互花米草群落、白骨壤群落、秋茄群落和桐花树群落五个生境内蟹洞的形态模型，并测量了蟹洞的密度、开口直径、深度、分支数、单位面积内蟹洞总体积五个形态参数，并对五个生境中每种蟹洞形态参数进行了单因子方差分析(One-WayANOVA)。同时测定了五个生境中植物群落参数、土壤理化性质、植物根系密度及植物叶片中单宁含量等环境因子，并对不同的环境因子与蟹洞的各形态参数进行了相关性分析，并根据相关性分析的结果推断每个生境中影响蟹洞形态的主要环境因子 ...
高雪芹
core
International Journal of Applied Linguistics, Volume 35, Issue 3, Page 1134-1148, August 2025.ABSTRACT E‐books, powered by multimedia and interactive features, are widely used to support young children's language and literacy development. This study examines the relations of e‐book narration and bilingual parent–child talk to children's learning during shared reading. Data from 121 English learners in China and their parents were analyzed using
Dandan Yang +3 more
wiley +1 more source