نتایج جستجو برای: taxonomic survey

تعداد نتایج: 398962  

1996

Architecture Description Languages (ADLs) are emerging as viable tools for formally representing the architectures of systems. While growing in number, they vary widely in terms of the abstractions they support and analysis capabilities they provide. Further, many languages not originally designed as ADLs serve reasonably well at representing and analyzing software architectures. This paper sum...

2016
Márcio de Carvalho Saraiva Claudia Bauzer Medeiros

The search for educational content in courseware repositories is laborious and time consuming. There is an abundance of such repositories, and research efforts to facilitate search, but access is guided by keywords and/or terms selected by courseware authors, thus lacking flexibility. The goal of this project is to design and develop a suite of tools to assist users to find, analyze and select ...

2016
Erica DeMilio Colin Lawton Nigel J. Marley

The phylum Tardigrada was not recorded in Ireland until the Clare Island Survey of 1909-1911, with only rare subsequent reports on Irish tardigrade species. In recent decades, significant taxonomic revision has occurred within Tardigrada. This has resulted in the need for a review of all known historical records from Ireland and Northern Ireland in order to produce an updated checklist of valid...

Journal: :Zootaxa 2014
T Novoselsky A Freidberg N Dorchin N Meltzer I Kerzhner

A long-term taxonomic and faunistic survey of the family Nabidae from Israel and the Sinai (Egypt) was conducted based primarily on material housed in the National Collection of Insects at Tel Aviv University, Israel (TAUI). A key is provided to all species and information is given for each, species including its distribution, previous records from the study area and life history details if ava...

Journal: :Biology letters 2010
Jodi Rowley Rafe Brown Raoul Bain Mirza Kusrini Robert Inger Bryan Stuart Guin Wogan Neang Thy Tanya Chan-Ard Cao Tien Trung Arvin Diesmos Djoko T Iskandar Michael Lau Leong Tzi Ming Sunchai Makchai Nguyen Quang Truong Somphouthone Phimmachak

With an understudied amphibian fauna, the highest deforestation rate on the planet and high harvesting pressures, Southeast Asian amphibians are facing a conservation crisis. Owing to the overriding threat of habitat loss, the most critical conservation action required is the identification and strict protection of habitat assessed as having high amphibian species diversity and/or representing ...

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2001
N M Nogueira M M Ferreira-Correia

This paper provides the results of a taxonomic survey of the Cyanophyceae/Cyanobacteria in a frenge red mangrove forest in the estuaries of Estreito dos Mosquitos and Coqueiros, São Luís, State of Maranhão, Brazil. A total of 15 taxa were identified in 8 families, as follows: Synechoccaceae (2), Chroococcaceae (1), Hyellaceae (1), Xenococcaceae (1), Oscillatoriaceae (1), Scytonemataceae (2), Ph...

2009
SHERWIN CARLQUIST

THE GENUS Hesperomannia (Compositae, tribe Mutisieae) has attracted interest because of its arborescent habit, its restriction to certain of the Hawaiian Islands, and its rarity in the locations in which it is found. The purpose of the present paper is to survey the anatomical diversity which exists in the genus and relate it to gross morphological characters in an attempt to achieve an accepta...

Journal: :حفاظت گیاهان 0
فلاحتی رستگار فلاحتی رستگار طاهری طاهری جعفر پور جعفر پور روحانی روحانی مهدیخانی مقدم مهدیخانی مقدم

abstract isolates of rhizoctonia spp., obtained from sugar beet roots and crowns with dry rot symptoms that had been collected from various sugar beet production regions in khorasan razavi province during 2008 and 2009, were investigated in this research. characterization by conventional techniques and molecular methods using species-specific primers was carried out. results showed that from 36...

Journal: :Saline Systems 2005
Aharon Oren

A hundred years have passed since the description of the genus Dunaliella, the unicellular green alga which is responsible for most of the primary production in hypersaline environments worldwide. The present paper provides an historical survey of research on Dunaliella, from the early work in the 19th century to the thorough taxonomic studies by Teodoresco, Hamburger, Lerche and others from th...

2008
Joseph B. Pfaller Michael G. Frick Kimberly J. Reich Kristina L. Williams Karen A. Bjorndal

A survey of the epibionts inhabiting the carapace of loggerhead sea turtles Caretta caretta (Linnaeus) nesting on Canaveral National Seashore, Florida was conducted from 2003–2004. Epibionts were sampled and identified to the lowest taxonomic level possible. Eleven newly documented epibiont species were observed from 52 individual loggerheads. We present the first records of sea urchins as logg...

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