| Zooplanktonnoe soobshchestvo pelagiali ozera Dal'nee (Kamchatka) Contributor(s): Vetsler Natal'ya (Author) |
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ISBN: 3659105708 ISBN-13: 9783659105708 Publisher: LAP Lambert Academic Publishing OUR PRICE: $69.77 Product Type: Paperback Language: Russian Published: May 2012 |
| Additional Information |
| BISAC Categories: - Science | Life Sciences - Biology |
| Physical Information: 0.4" H x 6" W x 9" (0.57 lbs) 172 pages |
| Descriptions, Reviews, Etc. |
| Publisher Description: Ozero Dal'nee, raspolozhennoe na yugo-vostoke Kamchatki, - nerestovo-nagul'nyy vodoem, v kotorom proiskhodit vosproizvodstvo odnogo iz stad tikhookeanskogo lososya - nerki (Oncorhynchus nerka Walb.). Dannye po zooplanktonu za 65-letniy period izucheniya vodoema pokazali, chto pri povyshenii plotnosti nagulivayushcheysya v pelagiali molodi nerki, proiskhodit snizhenie chislennosti i biomassy kormovykh organizmov, smena dominiruyushchikh vidov, izmenenie razmernoy struktury rachkovogo planktona v storonu uvelicheniya melkikh organizmov. Privoditsya kolichestvennaya otsenka troficheskikh usloviy molodi nerki i ikh vliyanie na dlitel'nost' presnovodnogo nagula. Ustanovlena pryamaya zavisimost' massy tela smoltov raznogo vozrasta ot biomassy rakoobraznykh. Rezul'taty issledovaniy yavlyayutsya kak teoreticheskim vkladom v ekologiyu, tak i prakticheskim - v organizatsiyu ratsional'nogo promysla nerki. |
