南开普斯瓦特雷和荒野湖泊系统中海洋和河口鱼类的大量死亡。

I. Russell
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引用次数: 41

摘要

摘要野外国家公园内Swartvlei河口和Rondevlei两个含盐水体发生了两次鱼类大量死亡事件。受影响的物种有斯瓦尔特雷河口的海马体(Hippocampus capensis)和长鼻管鱼(Syngnathus acus),以及朗德雷河口的石头鱼(Rhabdosargus holubi)和白鳍鱼(Lithognathus Lithognathus)。将鱼类死亡期间的水质参数与过去的范围和报告的物种耐受性进行比较,表明导致鱼类死亡的可能原因是Swartvlei河口水温高,Rondevlei河口溶解氧浓度低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
MASS MORTALITY OF MARINE AND ESTUARINE FISH IN THE SWARTVLEI AND WILDERNESS LAKE SYSTEMS, SOUTHERN CAPE.
Summary Two incidences of mass mortality of fish were recorded in two saline waterbodies (Swartvlei estuary and Rondevlei) in the Wilderness National Park. Species affected were the Knysna seahorse (Hippocampus capensis) and longsnout pipefish (Syngnathus acus) in the Swartvlei estuary, and Cape stumpnose (Rhabdosargus holubi) and white steenbras (Lithognathus lithognathus) in Rondevlei. Comparison of water quality parameters during fish mortalities to past ranges and reported species tolerances indicated that the probable causes for the mortalities were high water temperature in the Swartvlei estuary, and low dissolved oxygen concentration in Rondevlei.
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