نتایج جستجو برای: dashtkar in 2009

تعداد نتایج: 16997608  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2007
M Alex Smith D Monty Wood Daniel H Janzen Winnie Hallwachs Paul D N Hebert

Many species of tachinid flies are viewed as generalist parasitoids because what is apparently a single species of fly has been reared from many species of caterpillars. However, an ongoing inventory of the tachinid flies parasitizing thousands of species of caterpillars in Area de Conservación Guanacaste, northwestern Costa Rica, has encountered >400 species of specialist tachinids with only a...

2016
Amira Chaabane Lassad Neifar Delphine Gey Jean-Lou Justine

Pseudorhabdosynochus Yamaguti, 1958 is a species-rich diplectanid genus, mainly restricted to the gills of groupers (Epinephelidae) and especially abundant in warm seas. Species from the Mediterranean are not fully documented. Two new and two previously known species from the gills of Mycteroperca spp. (M. costae, M. rubra, and M. marginata) in the Mediterranean and Eastern Atlantic Ocean are d...

Journal: :Folia biologica 2003
Jörg Bohlen Vendula Slechtová Radek Sanda Lucás Kalous Jörg Freyhof Jasna Vukic Danilo Mrdak

In this paper, we report on the distribution, habitat, population structure and conservation needs of Cobitis ohridana and Barbatula zetensis in the basin of the River Moraca in Montenegro. Our data show both species to be mainly distributed in the lower stretch of the main river and some tributaries in lowland habitats. Cobitis ohridana preferred more shallow water with a higher abundance of f...

2002
G. v. Gersdorff M. Quirós A. Riotto

We analyze the Scherk-Schwarz (SS) supersymmetry breaking in brane-world five dimensional theories compactified on the orbifold S 1 /Z 2. The SS breaking parameter is undetermined at the tree-level (no-scale supergravity) and can be interpreted as the Hosotani vacuum expectation value corresponding to the U (1) R group in five dimensional N = 2 (ungauged) supergravity. We show that the SS break...

2017
Sebastian Albu Sandeep Sharma Burton H. Bluhm Paul P. Price Raymond W. Schneider Vinson P. Doyle

Cercospora cf. sigesbeckiae is an ascomycete fungal pathogen that infects various plants, including important agricultural commodities, such as soybean. Here, we report the first draft genome sequence and assembly of this pathogen.

2012
Jinjing Wang Yajun Zhu Ding Yang

The following two new species of the genus Amblypsilopus Bigot from Taiwan are described: Amblypsilopus flavellussp. n. and Amblypsilopus ventralissp. n. One species, Amblypsilopus crassatus Yang, 1997, is newly reported from Taiwan. A key to the species of the genus from Taiwan is given.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی 1390

with the growth of more humanistic approaches towards teaching foreign languages, more emphasis has been put on learners’ feelings, emotions and individual differences. one of the issues in teaching and learning english as a foreign language is demotivation. the purpose of this study was to investigate the relationship between the components of language learning strategies, optimism, duration o...

Journal: :The Journal of parasitology 1988
D R Brooks T L Deardorff

The new species is a member of an apparently monophyletic group within the genus that includes R. flexile, R. walga, R. himanturi, R. burgeri, R. euzeti, R. hawaiiensis, R. urobatidium, R. paratrygoni, R. ditesticulum, R. tetralobatum, R. margaritense, R. biorchidum, and R. spinicephalum. All of these species have bothridia with medial longitudinal septa, a constriction at mid-bothridium, and, ...

Journal: :Zootaxa 2013
Ovidiu Alin Popovici Lubomir Masner David G Notton Mariana Popovici

The European species of the genera Amblyscelio and Baryconus are reviewed and revised based on morphological data. Females of Amblyscelio striaticeps Kieffer, 1913 and Baryconus graeffei (Kieffer, 1908) are described and the ovipositor of Amblyscelio is illustrated for the first time. The monotypic genus Amblyscelio was previously known only from a single male specimen. Baryconus graeffei is co...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زیست شناسی 1388

abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...

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