Evidence of flexible recruitment strategies in coastal populations of giant kokopu (Galaxias argenteus)
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چکیده
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منابع مشابه
Conservation, management and research directions for giant kokopu (Galaxias argenteus) in Otago
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Sampling of whitebait from the migrations in a series of West Coast and Southland rivers (Heaphy, Orowaiti, Buller, Hokitika, Wanganui, Okarito, Mataura) showed that whitebait of the giant kokopu migrate late in the spring, beginning to enter rivers during early November and continuing well through December. Amongst 70 whitebait samples containing nearly 9000 whitebait there were only 231 giant...
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The shortjawed (SJ) kokopu (Galaxias postvectis ) is rare and listed as category A conservation status by DOC and as indeterminate (status not resolved) by IUCN. It may be in decline given that there is substantial habitat loss and modification. If existence of SJ kokopu is to be maintained, information regarding its presence within whitebait runs both in terms of timing and geography, is essen...
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The purpose of this research was to identify the structural adaptations in three populations of Convolvulus persicus L. on coastal areas in Mazandaran Province, whose populations of which are severely reducing due to the intense environmental stresses of the coastal zone. In general, annular collenchyma, isobilateral mesophyll, amphiphloic siphonostele, abundant presence of laticiferous tubes, ...
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Large losses of habitat could be caused by land use change that disrupts the dispersal networks used by migratory species. We assessed the relative losses of habitat for diadromous fish (i.e., those migrating between sea and freshwater) due to physical barriers, degradation of migratory passage associated with catchment land use, and site-scale land use characteristics on the West Coast, South ...
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