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基于最大熵模型的森林‑草原交错区野生东北马鹿分布区预测与参数优化研究

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四川动物 2024年第1期43卷 73-82页

作者：王彬影李沁芳李成彬斯琴毕力格彭继革茫来郭金龙张明海张玮琪东北林业大学野生动物与自然保护地学院哈尔滨150040 高格斯台罕乌拉国家级自然保护区管理局内蒙古赤峰025500 塔林花国家草原自然公园内蒙古赤峰025500

利用最大熵模型(MaxEnt)对内蒙古高格斯台罕乌拉国家级自然保护区内的东北马鹿Cervus elaphus xan‑thopygus潜在分布区和适宜生境进行预测,比较基于默认参数和优化参数的预测结果,探讨参数优化对东北马鹿种群潜在分布区和适宜生境预测... 详细信息

利用最大熵模型(MaxEnt)对内蒙古高格斯台罕乌拉国家级自然保护区内的东北马鹿Cervus elaphus xan‑thopygus潜在分布区和适宜生境进行预测,比较基于默认参数和优化参数的预测结果,探讨参数优化对东北马鹿种群潜在分布区和适宜生境预测结果的影响。研究结果表明:优化参数模型的特征组合选择线性、二次型、片段化、成积型和阈值型特征,调控倍率为4时,模型的拟合度和复杂度得到改善;优化参数建模下,温度季节性、距道路距离、距草地距离、最冷季平均温度、等温性、海拔和距河流距离是影响东北马鹿分布的主要环境因子;2种模型预测结果表明,东北马鹿均主要分布于保护区东北部,适宜生境面积分别为36.04 km^(2)和126.67 km^(2),占总面积的3.5%和12.6%。研究表明,使用MaxEnt模型进行濒危珍稀物种潜在适宜生境预测时,需根据影响物种分布的关键环境因子选择最合理的参数设置。

关键词：东北马鹿潜在分布最大熵模型 ENMeval数据包

Update on the status of wolverines in China

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Journal of Forestry Research 2017年第2期28卷 425-429页

作者： Shibing Zhu Shifang zhang minghai zhang College of Wildlife Resources Northeast Forestry University Institute of Natural Resources and Ecology Heilongjiang Academy of Sciences

The wolverine, Gulogulo, is an endangered species in China. This is the first report of the overall status of wolverines in China. The geographic distribution and population sizes of wolverines in the Greater Khingan and Altai Mountains were surveyed by line transect from1996–2000 and in 2011, respectively. We identified two geographically distinct groups in the Great Khingan Mountains, with a total population size of about 200 individuals throughout the region（approximately80,000 km^2）. Wolverines were also confirmed to be present in the Altai Mountains, where about 100 individuals occupied approximately 28,000 km^2 of mountain forest and tundra. Prey depletion and habitat loss, which are correlated with increasing human activities, are the main reasons for wolverine population declines in China.

关键词： habitat occupied geographic depletion throughout populations sizes surveyed reasons rodent

The nutritional composition and digestion of plants foraged by red deer(Cervus elaphus xanthopygus) in northeast China

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Journal of Forestry Research 2018年第3期29卷 840-847页

作者： Yuan Feng Yanze Yu Linqiang Zhong Weiqi zhang minghai zhang College of Wildlife Resources Northeast Forestry University

We studied species of plants foraged by red deer in the Muling forest region of northeastern China during January 2014 and 2015. We focused on nutritional composition, energy content, and the digestibility of these plants. Crude protein content varied by plant *** crude protein content was 7.5 ± 1.7% of dry matter, ranging from 4.5 to 10.3%. Crude lipid content did not vary by species and averaged 7 ± 1.5%(range5.4–9.8%). Non-fiber carbohydrate(NFC) and neutral detergent fiber(NDF) content varied broadly with average values being 20.1 ± 4.8%(range 13.5–28.8%) and64.7 ± 5.9%(range 53.5–71.8%), respectively. Energy content ranged from 16.7 to 19.7 k J/g. Average dry matter digestibility(DMD) was 46.1 ± 4.8%, with a range from38.7 to 54.6%. Only three plants, Saussurea manshurica,Aralia elata and Equisetum hyemale exhibited DMD [ 50%. NFC content explained most of the variation in energy content(r = 0.451). In contrast, energy content was inversely related to NDF(r =-0.443). There was no correlation between crude protein, crude lipid, and energy content(r= 0.004, r=-0.190). S. manshurica,A. elata and E. hyemale had higher NFC and lower NDF content. Thus, these species offered the greatest nutritional value for wintering red deer in the study area. Along with high CP and NFC content, Taxus cuspidate also had high lignin content, and was thus, considered a good forage species for red deer.

关键词： Dry matter digestibility Nutritional composition Red deer Winter diets

Variation in winter daily range area of red deer(Cervus elaphus xanthopygus) based on DNA extracted from fecal samples

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Journal of Forestry Research 2019年第5期30卷 1951-1958页

作者： Miao Yang Yue Sun Wei Qi zhang Hongyi Yuan minghai zhang College of Wildlife Resources Northeast Forestry University

With environmental change and increased human activity,wild red deer(Cervus elaphus xanthopygus)populations and habitat area continue to *** deer is a main prey species of Amur tiger(Panthera tigris altaica).Factors affecting red deer winter home range in the Wanda montains of northeast China are not well *** this study,we aimed to better document red deer daily ranges to support conservation of red deer.A second objective was to develop a practical research method combining macro-and micro-technology for home range research on a variety of rare or endangered wild *** collected 105 fresh fecal samples of red deer in three different periods during winter from December 2012 to March 2013 in the Wandashan region,Heilongjiang Province,*** and sex identities were analyzed based on fecal DNA using microsatellite *** used samples from deer farms for correction and validation of our identifications from field *** used a combination of molecular scatology,3S techniques(GPS),and direct observation to estimate winter daily range *** on eleven microsatellite loci,we identified 18 individuals,10 females and 8 males,with a correction factor of 1.00 and sex ratio of 1:*** mean(±SE)number of alleles was 5.1±0.41,and mean polymorphism information content was 0.63±*** heterozygosity ranged from 0.46 to 0.81,with a mean of 0.69±0.03,and mean observed heterozygosity was 0.73±*** of mean daily ranges were 26.1±1.1 ha in December,89.3±1.6 ha in January,and 67.5±1.9 ha in March,indicating the following trend for daily range area:middle winter>late winter>early *** daily range area was insignificantly larger for males than for *** winter daily ranges were similar to those reported for *** combination of macro-and micro-technology proved useful for estimating winter home range areas of red deer.

关键词： Daily range Molecular scatology Red deer Temporal scale Winter

Resource selection of moose(Alces alces cameloides) and their response to human disturbances in the northwestern slope of Lesser Khingan Mountains, northeastern China

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Journal of Forestry Research 2013年第4期24卷 727-734页

作者： HU Suxian JIANG Guangshun MA Jianzhang zhang minghai LIU Hui Library of Northeast Forestry University Northeast Forestry University College of Wildlife Resources Northeast Forestry University

Moose （Alces alces cameloides） is typically representative of the fauna of the frigid temperate zone and has been put on the Chinese second priority list of protected animals. The moose of northeast China is on the southern most edge of its distribution in Asia. To study resource selection characteristics of moose and their response to human distur- bances and forest resource variables, the field work was conducted in Heilongiiang Provincial Shengshan Forestry Farm, which is located in the northwestern slope of Lesser Khingan Mountains, northeastern China, from January to March in both 2006 and 2007. A total of 428 plots were examined within the study area. Signs of moose use were found in 19 plots. Based on the analysis of resource selection function, we found that moose selected areas with higher densities of mixed deciduous broadleaf patch and mixed coniferous and broad leaf patch, and a higher NDVI value. Moose avoided settlement 6 km away and remained low probability of occurrence within 3 km from roads,

关键词： Alces alces cameloides human disturbances resource selec-tion function Kappa statistic

Population and genetic diversity of Tibetan red deer based on fecal DNA

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Journal of Forestry Research 2018年第1期29卷 227-232页

作者： Hejiao Hu Bo Xing Miao Yang Hamenya Mpemba Zhonghai Lv minghai zhang College of Wildlife Resources Northeast Forestry University

The Tibet Shannan Red Deer Nature Reserve is the center of the geographic distribution of Tibetan red deer. This paper presents the results of DNA analysis of 199 red deer fecal pellet groups collected during 2013 and 2014 during the green-plant period. We successfully extracted DNA from 87 DNA pellet groups and determined individual identification with 12 microsatellite loci. We evaluated the genetic diversity of the population and various population estimates with Capwire in R software. The87 successfully extracted pellet groups were from 50 individuals. In the population, the average number of alleles was 7.58 ± 0.18, the average effective number of alleles was 4.58 ± 0.15, and average polymorphism information content was 0.67 ± 0.01. Among the 12 loci,only T123 was moderately polymorphic; the other 11 loci were highly polymorphic. Expected heterozygosity ranged from 0.45 to 0.91, with an average of 0.72 ± 0.01, and average observed heterozygosity was 0.52 ± *** Tibetan red deer remains endangered, the high genetic diversity indicates that this population has a good chance of recovery. This study provided insight that could be used by the local forestry department to develop programs to protect Tibetan red deer.

关键词： Fecal DNA Individual identification Population Tibetan red deer

Diagnosis of indirectly driven double shell targets with point-projection hard x-ray radiography

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Matter and Radiation at Extremes 2024年第2期9卷 50-62页

作者： Chao Tian minghai Yu Lianqiang Shan Fengjuan Wu Bi Bi Qiangqiang zhang Yuchi Wu Tiankui zhang Feng zhang Dongxiao Liu Weiwu Wang Zongqiang Yuan Siqian Yang Lei Yang Zhigang Deng Jian Teng Weimin Zhou Zongqing Zhao Yuqiu Gu Baohan zhang Science and Technology on Plasma Physics Laboratory Laser Fusion Research CenterChina Academy of Engineering PhysicsMianyang 621900People’s Republic of China Joint Laboratory for Extreme Conditions Matter Properties Southwest University of Science and TechnologyMianyang 621010People’s Republic of China IFSA Collaborative Innovation Center Shanghai Jiao Tong UniversityShanghai 200240People’s Republic of China

We present an application of short-pulse laser-generated hard x rays for the diagnosis of indirectly driven double shell targets. Coneinserted double shell targets were imploded through an indirect drive approach on the upgraded SG-II laser facility. Then, based on thepoint-projection hard x-ray radiography technique, time-resolved radiography of the double shell targets, including that of their near-peakcompression, were obtained. The backlighter source was created by the interactions of a high-intensity short pulsed laser with a metalmicrowire target. Images of the target near peak compression were obtained with an Au microwire. In addition, radiation hydrodynamicsimulations were performed, and the target evolution obtained agrees well with the experimental results. Using the radiographic images, arealdensities of the targets were evaluated.

关键词： double projection point

规范驱梅后无症状神经梅毒患者脑脊液超敏C反应蛋白、降钙素原检测

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中国皮肤性病学杂志 2023年第12期37卷 1395-1400页

作者：张明海安徽医科大学附属巢湖医院皮肤科安徽巢湖238000

目的分析脑脊液超敏C反应蛋白(CSF-hs-CRP)、降钙素原(CSF-PCT)对神经梅毒的诊断价值。方法选择2019年3月—2023年3月经本科确诊梅毒后经正规苄星青霉素驱梅治疗1年仍然血清阳性的梅毒患者,经脑脊液检查后分为神经梅毒组和非神经梅毒... 详细信息

目的分析脑脊液超敏C反应蛋白(CSF-hs-CRP)、降钙素原(CSF-PCT)对神经梅毒的诊断价值。方法选择2019年3月—2023年3月经本科确诊梅毒后经正规苄星青霉素驱梅治疗1年仍然血清阳性的梅毒患者,经脑脊液检查后分为神经梅毒组和非神经梅毒组。结果神经梅毒组CSF-RPR阳性率为61.54%,CSF-WBC计数[(5.26±2.75)×10^(6)/L]、CSF-Pr水平[(0.42±0.44)g/L]、CSF-hs-CRP水平[(9.73±4.22)mg/L]、CSF-PCT水平[(3.58±1.44)ng/mL]均显著高于非神经梅毒组[(3.21±1.05)×10^(6)/L、(0.37±0.44)g/L、(0.97±0.78)mg/L、(0.61±0.43)ng/mL],差异有统计学意义(P0.05);CSF-PCT与CSF-WBC、CSF-Pr相关系数分别为0.133、0.039(P>0.05)。CSF-hs-CRP和CSF-PCT灵敏度及特异度分别为0.885、0.828和0.731、0.897。平行诊断敏感度为0.969,系列诊断敏感度为0.647。结论 CSF-hs-CRP、CSF-PCT也是神经梅毒患者CSF存在炎症的证据补充,平行联合诊断在神经梅毒诊断的敏感度方面更具优势。

关键词：神经梅毒 C反应蛋白降钙素原

甲沟重建联合甲内卷矫正术治疗重度嵌甲型甲沟炎48例

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中国麻风皮肤病杂志 2023年第2期39卷 99-101页

作者：张明海安徽医科大学附属巢湖医院皮肤外科巢湖238000

目的:评价甲沟重建联合甲内卷矫正术治疗嵌甲型甲沟炎的临床疗效。方法:选择2019年12月至2021年10月在我科就诊的重度嵌甲型甲沟炎患者48例,均采用甲沟重建联合甲内卷矫正术治疗。手术要点:①楔形切除增生的肉芽组织缩小甲襞,通过新的... 详细信息

目的:评价甲沟重建联合甲内卷矫正术治疗嵌甲型甲沟炎的临床疗效。方法:选择2019年12月至2021年10月在我科就诊的重度嵌甲型甲沟炎患者48例,均采用甲沟重建联合甲内卷矫正术治疗。手术要点:①楔形切除增生的肉芽组织缩小甲襞,通过新的缝合方法使甲襞侧组织与甲床同一水平,构建正常甲沟;②橡胶片固定在甲缘下以钝化甲边缘;③用橡皮筋牵拉甲缘下橡胶片以抬高甲侧缘以纠正甲内卷畸形。结果:48例患者(81个拇趾)全部治愈,甲形态正常且美观,随访6个月无复发。结论:甲沟重建联合甲内卷矫正术疗效好。

关键词：嵌甲甲沟炎矫正