About: Loaches and the environment in two provinces in Northern Vietnam

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	During the last decades, agriculture activities in the mountainous northern provinces of Vietnam intensified drastically, and today rice fields occupy the complete valleys of local streams and rivers. Upstream of the fields, many dams were built mainly for irrigation purposes; sometimes stopping the flow through the lower courses of the creek completely. Illegal fishing with electro-fishing gears is a common way to improve food supply for local villagers. Larger rivers are impacted by non-selective fishing, gravel mining and pollution. These factors represent threats to the local fish communities, which typically include one or several species of loaches.With usage of electro-fishing gear and hand net we surveyed 16 localities of the river basins of the River Ky Cung and the River Bang Giang. Both rivers belong to the drainage area of the River Pearl in the provinces Lang Son and Cao Bang in Northern Vietnam. We focused on getting maximum number of fish species with special attention to loaches at each locality. Ten species of loaches were found; at least two of them represent undescribed species. The main conclusion is that the ichthyofauna of Northern Vietnam still holds a hidden diversity, but at the same time is under strong anthropogenic pressure, so that parts of the diversity may be lost soon. During the last decades, agriculture activities in the mountainous northern provinces of Vietnam intensified drastically, and today rice fields occupy the complete valleys of local streams and rivers. Upstream of the fields, many dams were built mainly for irrigation purposes; sometimes stopping the flow through the lower courses of the creek completely. Illegal fishing with electro-fishing gears is a common way to improve food supply for local villagers. Larger rivers are impacted by non-selective fishing, gravel mining and pollution. These factors represent threats to the local fish communities, which typically include one or several species of loaches.With usage of electro-fishing gear and hand net we surveyed 16 localities of the river basins of the River Ky Cung and the River Bang Giang. Both rivers belong to the drainage area of the River Pearl in the provinces Lang Son and Cao Bang in Northern Vietnam. We focused on getting maximum number of fish species with special attention to loaches at each locality. Ten species of loaches were found; at least two of them represent undescribed species. The main conclusion is that the ichthyofauna of Northern Vietnam still holds a hidden diversity, but at the same time is under strong anthropogenic pressure, so that parts of the diversity may be lost soon. (en)
Title	Loaches and the environment in two provinces in Northern Vietnam Loaches and the environment in two provinces in Northern Vietnam (en)
skos:prefLabel	Loaches and the environment in two provinces in Northern Vietnam Loaches and the environment in two provinces in Northern Vietnam (en)
skos:notation	RIV/67985904:_____/11:00381690!RIV13-GA0-67985904
http://linked.open...avai/predkladatel	Ústav živočišné fyziologie a genetiky AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA206/05/2556), P(GA206/08/0637), Z(AV0Z50450515)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Bohlen, Jörg
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav živočišné fyziologie a genetiky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	209775
http://linked.open...ai/riv/idVysledku	RIV/67985904:_____/11:00381690
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	biodiversity; conservation; Teleostei (en)
http://linked.open.../riv/klicoveSlovo	Teleostei conservation biodiversity
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[A781E2F70931]
http://linked.open...i/riv/nazevZdroje	Folia zoologica
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Phylogenetic relationships of loach fishes (Teleostei: Cobitoidea) as inferred by molecular markers and the role of polyploidisation in evolution Freshwater fishes in time and space: Phylogenetic relationships and biogeography of river loaches (Teleostei: Nemacheilidae) across Eurasia
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	60
http://linked.open...iv/tvurceVysledku	Bohlen, Jörg Petrtýl, M. Bui, A. T. Chaloupková, P. Kalous, L.
http://linked.open...ain/vavai/riv/wos	000300036600014
http://linked.open...n/vavai/riv/zamer	Genetic, functional and developmental potential of animal cells, tissues and organisms: their use in medicine, ecology and agriculture
issn	0139-7893
number of pages	7 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Loaches and the environment in two provinces in Northern Vietnam

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