Changes in algal, coral and fish assemblages along water quality gradients on the inshore Great Barrier Reef
Changes in algal, coral and fish assemblages along water quality gradients on the inshore Great Barrier Reef
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DOI：
10.1016/j.marpolbul.2004.10.041
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发表时间：
2005-01-01
影响因子：
5.8
通讯作者：
Williams, DM
中科院分区：
文献类型：
--
作者：
Fabricius, K;De'ath, G;Williams, DM
大型藻类，硬珊瑚，珊瑚虫和鱼类进行了调查，10至13个近岸珊瑚礁的大堡礁，沿着水质梯度在两个地区的对比农业用地。根据颗粒和溶解营养物、叶绿素和悬浮固体的现有数据，计算每个珊瑚礁的水质指数。生态属性沿水质梯度沿着呈现较强的梯度变化。红藻门和绿藻门的大型藻类随着营养盐的增加而增加，而褐藻门保持相似。珊瑚丰富度和许多硬珊瑚和珊瑚类群的丰度下降，数百种物种中没有一种增加。在较高的营养环境中的珊瑚礁，硬珊瑚和珊瑚礁组合组成的子集的许多物种在较低的营养环境中发现，而鱼类和大型藻类组合组成的对比套房的物种。该研究确定了可能随着水质变化而增加或减少的物种群。皇冠版权所有（c）2004年出版的爱思唯尔有限公司保留所有权利。
Macroalgae, hard corals, octocorals, and fish were surveyed on 10 to 13 inshore coral reefs of the Great Barrier Reef, along a water quality gradient in two regions with contrasting agricultural land use. A water quality index was calculated for each reef based on available data of particulate and dissolved nutrients, chlorophyll and suspended solids. Strong gradients in ecological attributes occurred along the water quality gradient. Macroalgae of the divisions Rhodophyta and Chlorophyta increased with increasing nutrients, while Phaeophyta remained similar. Octocoral richness and abundances of many hard coral and octocoral taxa decreased, and none of the hundreds of species increased. At reefs in higher nutrient environments, hard coral and octocoral assemblages were composed of subsets of the many species found in lower nutrient environments, whereas fish and macroalgal assemblages consisted of contrasting suites of species. The study identifies species groups that are likely to increase or decrease in abundance with changing water quality. Crown Copyright (c) 2004 Published by Elsevier Ltd. All rights reserved.