Proceedings of the Biological Society of Washington最新文献_第7页

A new species of Choerophryne (Anura: Microhylidae) from Papua New Guinea 文章题目巴布亚新几内亚小蛙属一新种(无尾目:小蛙科)

IF 0.5 4区生物学

Proceedings of the Biological Society of Washington Pub Date : 2018-02-26 DOI: 10.2988/17-00027

F. Kraus

引用次数: 1

A checklist of non-marine crustaceans from Chilean oceanic islands 智利海岛非海洋甲壳类动物清单

IF 0.5 4区生物学

Proceedings of the Biological Society of Washington Pub Date : 2018-01-31 DOI: 10.2988/17-00007

P. R. De los Ríos-Escalante, E. Arancibia, J. Pérez-Schultheiss

引用次数: 1

Population genetic structure of the intertidal kinorhynch Echinoderes marthae (Kinorhyncha; Cyclorhagida; Echinoderidae) across the São Sebastião Channel, Brazil 潮间带赤腹鹬种群遗传结构的研究Cyclorhagida;棘足动物科)横跨<s:1>塞巴斯蒂亚<e:1>海峡，巴西

IF 0.5 4区生物学

Proceedings of the Biological Society of Washington Pub Date : 2018-01-15 DOI: 10.2988/17-00005

P. V. Randsø, M. Domenico, M. Herranz, E. Lorenzen, M. Sørensen

引用次数: 6

Rediscovery of Xenochrophis bellulus (Stoliczka, 1871) from Myanmar (Serpentes: Natricinae) with comments on its taxonomic status 缅甸Xenochrophis bellulus (Stoliczka, 1871)的再发现(蛇形目:蛇科)及其分类地位的评述

IF 0.5 4区生物学

Proceedings of the Biological Society of Washington Pub Date : 2018-01-12 DOI: 10.2988/17-00025

Justin L. Lee, G. Vogel, Aryeh H. Miller, G. Zug

引用次数: 3

Obituary: Dr. John J. McDermott (1927–2017) 讣告：约翰·麦克德莫特博士（1927–2017）

IF 0.5 4区生物学

Proceedings of the Biological Society of Washington Pub Date : 2018-01-02 DOI: 10.2988/17-00028

Jason D. Williams

引用次数: 2

A new record and a new species of the genus Rhizothrix (Copepoda: Harpacticoida: Rhizothrichidae) from the deep sea of the Gulf of California 加利福尼亚湾深海根蓟马属一新种记录(桡足目:根蓟马目:根蓟马科)

IF 0.5 4区生物学

Proceedings of the Biological Society of Washington Pub Date : 2018-01-02 DOI: 10.2988/17-00021

S. Gómez

{"title":"A new record and a new species of the genus Rhizothrix (Copepoda: Harpacticoida: Rhizothrichidae) from the deep sea of the Gulf of California","authors":"S. Gómez","doi":"10.2988/17-00021","DOIUrl":"https://doi.org/10.2988/17-00021","url":null,"abstract":"Abstract The biodiversity of the deep-sea of the Gulf of California has received some attention during the last two decades. Preliminary observations have revealed a high diversity of benthic and hyperbenthic copepods. Copepods of the genus Rhizothrix were found in sediment samples taken during the Talud X cruise in the Guaymas Basin. These specimens belong to a new species, Rhizothrix longiseta. The new species is related to R. quadriseta Wells, 1967 from Inhaca Island, Mozambique by the armature complement of the third exopodal segment of the second, third and fourth swimming legs, and of the second endopodal segment of the third swimming leg. The females of these two species can be distinguished by the armature complement of the second endopodal segment of the first and second swimming legs, by the relative length of the inner seta on the third exopodal segment of the second, third and fourth swimming legs, by the shape and number of setae on the exopod of the fifth leg, by the length:width ratio of the caudal rami, and by the number of segments of the antennule. This is the first record of the genus Rhizothrix from the deep-sea down to 1570 m depth, and is also the first record of the genus for Mexico. Additionally, R. reducta noodti Galhano, 1970 is given full species rank as R. noodti.","PeriodicalId":54578,"journal":{"name":"Proceedings of the Biological Society of Washington","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2018-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2988/17-00021","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42517685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Biological Society of Washington Annual Meeting, 1 June 2018 华盛顿生物学会年会，2018年6月1日

IF 0.5 4区生物学

Proceedings of the Biological Society of Washington Pub Date : 2018-01-01 DOI: 10.2988/0006-324X-131.1.194

引用次数: 0

Cardiodectes medusaeus (Copepoda: Pennellidae) a synonym of Cardiodectes bellottii, a parasite of mid-water fishes in the North Atlantic Ocean and Mediterranean Sea medusaeus Cardiodectes（桡足目：Pennellidae）是bellottii Cardiodeces的异名，bellottii是北大西洋和地中海中层鱼类的寄生虫

IF 0.5 4区生物学

Proceedings of the Biological Society of Washington Pub Date : 2017-12-08 DOI: 10.2988/17-00019

W. E. Hogans

引用次数: 2

Sexual monomorphism in wing loading and wing aspect ratio in Black Vulture (Coragyps atratus) and Turkey Vulture (Cathartes aura) 黑秃鹫（Coragyps atratus）和土耳其秃鹫（Cathartes aura）翅膀负荷和翅膀长宽比的性单态性

IF 0.5 4区生物学

Proceedings of the Biological Society of Washington Pub Date : 2017-12-01 DOI: 10.2988/17-00018

G. Graves

{"title":"Sexual monomorphism in wing loading and wing aspect ratio in Black Vulture (Coragyps atratus) and Turkey Vulture (Cathartes aura)","authors":"G. Graves","doi":"10.2988/17-00018","DOIUrl":"https://doi.org/10.2988/17-00018","url":null,"abstract":"Abstract Sexual dimorphism patterns in wing area, wing loading, and wing aspect ratio of Black Vulture (Coragyps atratus) and Turkey Vulture (Cathartes aura) are unknown but are of particular interest given the prevalence of these species in scavenging communities in the Western Hemisphere. I assessed these variables in sexed specimens from wintering populations in Nashville, Tennessee. Black Vultures exhibited higher wing loading and a lower wing aspect ratio than Turkey Vultures. Neither species exhibited significant age-related or sexual dimorphism in body weight, wing span, wing area, wing loading, or wing aspect ratio. The relatively low variance observed in the pooled sample of immatures (∼9–21 mo old) and adults suggests that definitive wing size and shape are acquired several years before individuals develop the bare rugose skin and head caruncles characteristic of adults. In a broader context, this study tentatively suggests that variance estimates for wing morphology obtained from unsexed vulture populations may not be unduly inflated by undetected sexual or age-related dimorphism.","PeriodicalId":54578,"journal":{"name":"Proceedings of the Biological Society of Washington","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2988/17-00018","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45082486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9

Seasonal changes in the diversity and abundance of epiphytic Gastrotricha 附生天麻多样性和丰度的季节变化

IF 0.5 4区生物学

Proceedings of the Biological Society of Washington Pub Date : 2017-11-13 DOI: 10.2988/17-00015

T. Nesteruk

{"title":"Seasonal changes in the diversity and abundance of epiphytic Gastrotricha","authors":"T. Nesteruk","doi":"10.2988/17-00015","DOIUrl":"https://doi.org/10.2988/17-00015","url":null,"abstract":"Abstract The aim of the study was to evaluate the changes in abundance, species richness, and diversity of epiphytic Gastrotricha in the littoral of a mesotrophic lake. The influence of pH and oxygen on their occurrence was also investigated. Gastrotricha occurred throughout the year: 27 species were identified together, and species richness varied at different seasons. The highest number of species on water vegetation was found in the summer (26 species), while in the winter season only 7 species were present. Species diversity expressed by the Shannon index, in spring, summer, and autumn was high and amounted 2.10, 2.37, and 2.31, respectively. In winter, the value of the index was significantly lower and amounted 0.59. Three species were found to be dominant from spring to autumn with the dominance over 9.0%: Heterolepidoderma macrops Kisielewski, 1981, H. ocellatum (Mečnikow, 1865), and Lepidodermella squamata (Dujardin, 1841). The GLM analysis revealed that number of collected species in spring, summer, and autumn does not depend either on season or on pH and oxygen content. The lowest density of gastrotrichs was found in winter (average of 33 10−3 indiv. m−2), whereas the highest was found in summer (average of 1392 10−3 indiv. m−2). The density differed with season and neither pH nor oxygen content had an effect upon gastrotrich densities.","PeriodicalId":54578,"journal":{"name":"Proceedings of the Biological Society of Washington","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2017-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2988/17-00015","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44988134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3