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Carbon isotope stratigraphy across the Silurian-Devonian transition in Zoige (West Qinling), China
carbon isotope palaeontology Silurian-Devonian Boundary West Qinling, China
2014/3/26
Carbon isotope (δ
13
C
org
) analyses of neritic carbonates and black shales spanning the Silurian-Devonian transition are
compared from two richly fossiliferous sequences in Zoige County (West Q...
乌兰花哺乳动物群发现于内蒙古四子王旗的晚中新世红土剖面底部. 中国的红黏土堆积相当广泛, 其中富含三趾马动物群化石, 在山西、陕西、河南和甘肃都有众多化石地点. 蒙古高原也是新近纪沉积非常发育的地区, 尤其是在内蒙古中部, 已建立起哺乳动物群序列. 乌兰花动物群的发现进一步完善了这个序列, 并且对于三趾马动物群的地理分布和红黏土的气候环境背景也具有重要的指示意义. 乌兰花动物群中的化石种类大...
Free-living Ciliates of the Anzali Wetland of the Caspian Sea
Free-living ciliates fauna silver impregnated
2010/3/26
In this paper 8 ciliate species are described and figured. All these species were found in the Anzali Wetland of the Caspian Sea (Islamic Republic of Iran). The descriptions are based on the observati...
Seasonal Fluctuations in the Zooplankton Composition of a Eutrophic Lake: Lake Marmara (Manisa, Turkey)
Eutrophication Lake Marmara Rotifera Turkey
2010/3/26
Seasonal fluctuations in the zooplankton fauna of Lake Marmara were studied between spring 2001 and winter 2002. In all, 41 species, consisting of 29 Rotifera (81.99%), 8 Cladocera (12.88%), and 4 Cop...
苔原鼩鼱(Sorex tundrensis)在中国分布的首次证实
苔原鼩鼱 新记录 中国
2016/7/20
2008 年8 月利用陷阱法在内蒙古额尔古纳国家级自然保护区获得了4 号鼩鼱类标本,个体皆小, 尾长小于32 mm,貌似姬鼩鼱,颅全长在16. 50 ～17.24 mm 之间,大于姬鼩鼱(15 mm)。为了确证该4 号标本的物种类型,本文测定了它们的线粒体细胞色素b (Cyt b)基因全序列,结合从GenBank 下载的鼩鼱类序列构建系统进化关系。发现测定序列和下载苔原鼩鼱序列很好地聚在一起并形成...
Dolichophis caspius (Serpentes: Colubridae) in Romania: New distribution records from the northern limit of its range
Dolichophis caspius new localities distribution Romania
2010/3/24
Herein we present 2 new localities for Dolichophis caspius in southern Romania: Draganeşti Olt and Cascioarele
Length-weight relationships of marine fishes off Yumurtalık coast (İskenderun Bay), Turkey
Length-weight relationships marine fish species Yumurtalı k, Turkey
2010/3/24
In this study, length and weight data are presented for 33 fish species inhabiting littoral habitats off the Yumurtalık coast. Samples were collected with combined gill and trammel nets. Paramete...
Additional contribution to the study of the freshwater fauna of testate amoebae in southeast Azerbaijan
Freshwater testate amoebae fauna Azerbaijan
2010/3/24
Investigations of the inland water bodies of southeast Azerbaijan (mainly near the city of Lenkoran and its suburbs) yielded 11 additional species of freshwater testate amoebae. Among these, 7 species...
种群分化是物种形成过程中的关键一步,通过形态特征进行种内变异的探讨对揭示微进化过程具有积极意义。本文以社鼠头骨为材料,通过SPSS 统计分析软件对采集自我国中西部5 大山系的250 号标本头骨形态变量进行了判别函数分析,结果表明秦岭与四川各山系之间社鼠头骨已发生完全分化,而在四川各山系之间,除邛崃和相岭山系外,其余各山系社鼠头骨形态已分化明显。腭长、上颌齿隙长等变量是各山系社鼠头骨样本发生分化的主...
卡拉麦里山有蹄类自然保护区鹅喉羚生境适宜性评价
鹅喉羚 生境适宜性 地理信息系统(GIS) 人类活动影响
2016/7/20
在卡拉麦里山保护区内选取具有代表性的研究样区约1 447 km2 作为评价区,基于2005 年以来对卡拉麦里山有蹄类自然保护区鹅喉羚野外调查和样方采集,利用模糊赋值法建立生境评价模型,结合GIS 技术的空间分析功能,以植被类型、坡度、坡向和人类干扰活动为评价因子进行生境适宜性研究。结果表明:春、夏、秋、冬四季实际生境面积分别为 1146.9km2 、1137.1 km2 、991.6 km2 和4...
云南省双团棘胸蛙的地理分布
双团棘胸蛙 地理分布 地理信息系统 云南省
2010/1/22
对云南省84个县（市）双团棘胸蛙（Paa yunnanensis）地理分布进行了全面调查。基于历史记录与本次调查结果，采用地理信息系统，制作了云南双团棘胸蛙地理分布图。结果表明，双团棘胸蛙在云南广泛分布于迪庆州以外的15个州（市）71个县（市），分布海拔为1 400～2 600 m，年平均气温为11.54～18.50℃。根据双团棘胸蛙分布受海拔和年平均气温限制的特点，采用DIVA-GIS 5.2...
New records of Psilophrys parvulus and its host Kermes bacciformis from Turkey
Encyrtidae Kermesidae new record distribution Psilophrys parvulus Kermes bacciformis Turkey Oaks
2010/3/25
During 2007-2008 survey conducted on the Turkey oak (Quercus cerris) in Isparta province Psilophrys parvulus (Hymenoptera: Chalcidoidea, Encyrtidae) and its host Kermes bacciformis (Hemiptera: Coccoid...
Notes on the true bug (Heteroptera) fauna of Azerbaijan province, Iran
Fauna, Heteroptera Iran Palearctic ecozone
2010/3/25
The Heteroptera fauna in east Azerbaijan and west Azerbaijan provinces in northwestern Iran was surveyed during 2005-2006. In all, 73 species from 18 families were collected and identified, of which 1...
Temporal and spatial changes of crustaceans in mixed eelgrass beds, Zostera marina L. and Z. noltii Hornem., at the Sinop peninsula coast (the southern Black Sea, Turkey)
Temporal changes Crustacea diversity Black Sea Turkey
2010/3/25
This research was carried out to determine the macrobenthic crustacean species associated with mixed eelgrass beds (Zostera marina and Z. noltii) occurring in the upper-infralittoral zone of the Sinop...