Results 1 to 10 of about 253 (106)
Wildlife Letters, Volume 1, Issue 4, Page 163-170, December 2023., 2023 Per‐ and polyfluoroalkyl substances (PFASs), especially long‐chain perfluorinated carboxylates and perfluorinated sulfonic acids, were considered as global environmental contaminants due to their wide industrial and commercial applications and their threat to human and animal health.
Luyao Wang +7 more
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Wildlife Letters, Volume 1, Issue 3, Page 119-130, September 2023., 2023 We collected Amur tiger track data and occurrence data through snow track tracking, sample line surveys, and camera traps. The study concluded that forest roads, scrub vegetation, and human landscape factors were the main factors influencing Amur tiger movements at fine scales and examined the negative correlation between tiger path curvature values ...
Ying Wang +9 more
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Wildlife Letters, Volume 1, Issue 1, Page 32-41, March 2023., 2023 AF‐TigerNet automatically detects the position of Amur tigers and determines detection confidence. Overall network structure of AF‐TigerNet consists of the backbone, neck, and head. The backbone is the modified CSPNet which outputs C3–C5 feature maps to the neck with the channel numbers 64 (C3), 128 (C4), and 256 (C5).
Bohan Liu, Zhilin Qu
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野生动物学报, 2022 了解东北虎(Panthera tigris altaica)的历史分布和数量动态对加速虎栖息地连通,恢复历史分布区,促进中俄共同保护野生东北虎集合种群具有重要的指导意义。20世纪初期,东北虎曾分布在俄罗斯远东地区南部、朝鲜半岛、中国长白山脉和松花江流域,数量近3 000只。猎捕和栖息地丧失导致东北虎数量急剧下降。20世纪40年代,远东地区东北虎数量仅剩锡霍特山脉中部的20～30只。20世纪中期以后,苏联政府采取了东北虎禁猎、禁捕令、扩大保护地和边境管控等综合保护措施,解除了东北虎的濒危状态 ...
王凤昆, 李 艳, 姜广顺
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野生动物学报, 2021 为探究东北虎（Panthera tigris altaica）的生长发育特征，为东北虎的人工饲养以及野生东北虎的保护提供科学参考，测定了东北虎体重、胸围、腰围、肩高、臀高、体长、颈围和前后掌垫宽9个体尺参数，并对亚成体与成体东北虎体重及体尺参数的差异性及体重与体尺参数间的线性关系进行分析。结果表明：成体雄虎体重、体长、肩高、前掌垫宽及后掌垫宽均显著大于亚成体；成体雌虎臀高、胸围及腰围显著小于亚成体雌虎。4—5岁的东北虎，除体长、前掌垫宽和后掌垫宽以外，其他体尺参数均下降，5岁以后逐渐增长 ...
崔永璐 1 +9 more
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Wildlife Letters, EarlyView.In the winter of 2021/2022, a winter track survey revealed 43–46 tigers (without cubs) in 5.4 thousand km2 of suitable habitats in the Southwest Primorsky Province of Russia. In the same period, a network of camera traps registered 54 adult/subadult tigers here.
Yury Darman, Dina Matiukhina
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Wildlife Letters, Volume 3, Issue 1, Page 7-15, March 2025.Human–tiger conflict (HTC) is an important barrier to tiger recovery in the Laoyeling landscape of Northeast China, where 90% of China's Amur tiger population is living. The distributions of tiger habitat and HTC risk were predicted; 35.24% of high‐risk areas of HTC are suitable for tiger living.
Yongchao Jin +8 more
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Integrative Conservation, Volume 3, Issue 3, Page 257-270, September 2024.Natural training enclosure design schematic. We selected 12 sika deer including six adults and six sub‐adults. Key considerations in the design of the natural training were to divide the training spatial ground into two parts (30 × 30 m small areas for isolation of new individuals and large areas measuring 200 × 600 m for free walking), and the ...
Wentao Zhang +10 more
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野生动物学报, 2022 东北虎(Panthera tigris altaica)是国家一级重点保护野生动物,在人工饲养环境下,对东北虎幼崽及其母虎活动的精准跟踪是研究东北虎幼崽成长过程中行为发育、观测东北虎个体健康状况的重要手段。本研究提出了一种轻量型的GhostNet-DeepSORT算法来实现在监控视频下的东北虎幼崽群体活动的多目标跟踪。该算法的测试结果表明:东北虎幼崽个体目标检测的召回率和平均精度均值分别是94.9%和96.2%,东北虎幼崽多目标跟踪准确度(MOTA)和精确度(MOTP)分别是91.6%和88.2 ...
马光凯 +5 more
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野生动物学报, 2010 对饲养东北虎的野化训练,是东北虎日常饲养管理的重要环节,更是实现日后放虎归山的基础性工作之一。本文是在东北虎繁育中心为期1个月的调查研究基础上,研究了人工模拟条件下对饲养东北虎野化训练的现况,指出管理方式、饲喂模式等制度上原因对饲养东北虎野性和行为恢复的影响是东北虎野化训练存在的主要问题。同时为今后东北虎野化训练提出了改进设想。阐明人工模拟野生生境困难和食物链模拟困难是饲养东北虎野化训练难以展开的主要原因。
朱蕴杉, 张庆, 许鲁
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