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Advanced Search Results For "delimitation"

1 - 10 of 1,070 results for
 "delimitation"
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Molecular identification of a new species of Rhigonema (Nematoda: Rhigonematidae) and phylogenetic relationships within the infraorder Rhigonematomorpha

Publication Type: Academic Journal

Source(s): Parasites & Vectors, Vol 15, Iss 1, Pp 1-16 (2022)

Abstract: Abstract Background The infraorder Rhigonematomorpha comprises a group of obligate parasitic nematodes of millipedes (Arthropoda: Diplopoda). The current species identification of Rhigonematomorpha nematodes remains mainly based on morphological featur...

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Genome-wide species delimitation analyses of a silverside fish species complex in central Mexico indicate taxonomic over-splitting

Publication Type: Academic Journal

Source(s): BMC Ecology and Evolution, Vol 22, Iss 1, Pp 1-19 (2022)

Abstract: Abstract Background Delimiting species across a speciation continuum is a complex task, as the process of species origin is not generally instantaneous. The use of genome-wide data provides unprecedented resolution to address convoluted species delimit...

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Monacha samsunensis (Pfeiffer, 1868): another Anatolian species introduced to Western Europe, where it is known as Monacha atacis Gittenberger & de Winter, 1985 (Gastropoda: Eupulmonata: Hygromiidae)

Publication Type: Academic Journal

Source(s): The European Zoological Journal, Vol 89, Iss 1, Pp 966-990 (2022)

Abstract: Populations of Monacha atacis from southern Occitania in France and of M. samsunensis from northern Anatolia in Turkey (Atakum/Samsun and Kastamonu) were investigated by an integrative approach based on morphological (shell and genitalia) and molecular...

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DNA barcoding reveals long-term speciation processes in subspecies of the Melipona (Michmelia) seminigra complex (Hymenoptera: Apidae)

Publication Type: Academic Journal

Source(s): European Journal of Entomology, Vol 119, Iss 1, Pp 309-317 (2022)

Abstract: The stingless bee Melipona (Michmelia) seminigra Friese is a polytypic species widely distributed in Brazilian Amazon and Bolivia. Seven subspecies are recognized, four are described, which inhabit mutually exclusive areas in the Amazon basin, although...

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Phylogeography of Chinese cereal cyst nematodes sheds lights on their origin and dispersal

Publication Type: Academic Journal

Source(s): Evolutionary Applications, Vol 15, Iss 8, Pp 1236-1248 (2022)

Abstract: Abstract Reconstructing the dispersal routes of pathogens can help identify the key drivers of their evolution and provides a basis for disease control. The cereal cyst nematode Heterodera avenae is one of the major nematode pests on cereals that can c...

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Delimitation of the Continental Shelf in the Central Arctic Ocean: Is It Possible Nowadays?

Publication Type: Academic Journal

Source(s): Arctic Review on Law and Politics, Vol 13, Iss 2022, Pp 393-406 (2022)

Authors:

Abstract: Russia was the first Arctic coastal state to make an official submission to the Commission on the Limits of the Continental Shelf (CLCS) in 2001. The purpose of Russia’s submission was the delineation of the outer limits of the continental shelf beyond...

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Dispute between Albania and Greece over the Delimitation of Maritime Zones

Publication Type: Academic Journal

Source(s): Lex Portus, Vol 8, Iss 3, Pp 7-29 (2022)

Abstract: The law of the sea guarantees the sovereignty of states and preserves the territorial integrity of sovereign states under international law. Disputes under the law of the sea often arise in the international arena. This study analyses a dispute, brough...

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Canada and the Russian Federation: Maritime Boundaries and Jurisdiction in the Arctic Ocean

Publication Type: Academic Journal

Source(s): Arctic Review on Law and Politics, Vol 13, Iss 0, Pp 219-231 (2022)

Abstract: The Arctic region has been the focus of considerable attention in recent years, often concerned with maritime claims and an alleged race for the region’s resources. Against this narrative, the article focuses on the practices of Canada and the Russian ...

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The history of the Caspian sea in before October period and post soviet time

Publication Type: Academic Journal

Source(s): Наука. Культура. Общество, Vol 24, Iss 1, Pp 109-120 (2022)

Authors:

Abstract: In the article the author prepare analysis of the main historical events in area of the Caspian Sea and relations between Caspian states in before October period (Russian Empire and Iran) and post soviet time (Russia, Azerbaijan, Kazakhstan, Turkmenist...

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Delimiting species in the taxonomically challenging orchid section Pseudophrys: Bayesian analyses of genetic and phenotypic data

Publication Type: Academic Journal

Source(s): Frontiers in Ecology and Evolution, Vol 10 (2022)

Abstract: Accurate species delimitation is critical for biodiversity conservation. Integrative taxonomy has been advocated for a long time, yet tools allowing true integration of genetic and phenotypic data have been developed quite recently and applied to few m...

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