Impacts of microhabitat changes on wintering waterbird populations.
Impacts of microhabitat changes on wintering waterbird populations.
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微生境变化对越冬水鸟种群的影响
DOI：
10.1038/s41598-017-14317-9
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发表时间：
2017-10-24
影响因子：
4.6
通讯作者：
Xie YH
中科院分区：
文献类型：
--
作者：
Zou YA;Pan BH;Zhang H;Zhang PY;Yao Y;Liu XK;Gao DL;Xie YH
彩桑湖是一片人工湿地，种植荷花和养殖螃蟹使其栖息地发生了戏剧性的变化。彩桑湖是否还保持着越冬水鸟的数量，这是非常令人关注的。在这里，我们比较了彩桑湖栖息地改变前后水鸟种群的变化，并评估了导致水鸟种群急剧变化的驱动因素。结果表明，越冬水鸟的数量受到饲料供应变化的显著影响，具有物种和行会特有的反应。种植荷花导致栖息地的戏剧性变化，导致当地植被、泥滩和水域的显著下降，这可能分别导致食草动物、食虫动物和食鱼水鸟的相关下降。相比之下，莲花区面积的扩大似乎导致了杂食性水鸟的增加。食物短缺可能是由于彩桑湖大面积被用来养殖螃蟹造成的，这可能是食鱼水鸟数量下降的另一个原因。这项研究为系统评价水鸟对湿地管理政策的响应提供了一种强有力的方法。这些发现对保护越冬水鸟免受人类干预的影响具有重要意义，特别是在其他拉姆萨尔湿地。
Caisang Lake, a human-modified wetland, experienced dramatic habitat alterations from the planting of lotus and culturing of crab. Whether the Caisang Lake still maintains populations of wintering waterbirds is of great concern. Here, we compare the changes in waterbird populations before and after habitat alterations in Caisang Lake and assess the driving factors leading to the dramatic changes in waterbird populations. Results indicate that wintering waterbird populations were significantly impacted by altered forage availability, with species- and guild-specific responses. Dramatic habitat alterations from planting lotus caused significant declines in areas of native vegetation, mudflats, and water that may have caused associated declines in herbivores, insectivores, and fish-eating waterbirds, respectively. In contrast, the increased size of the lotus area appears to have led to an increase in omnivorous waterbirds. A food shortage, potentially caused by a large area of Caisang Lake being used for culturing crab, might be another cause of the observed decline in fish-eating waterbirds. This study demonstrates a powerful approach to systematically evaluate waterbird responses to wetland management policies. These findings are important as efforts are made to protect the wintering waterbirds from the effects of human intervention, particularly at other Ramsar wetlands.
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DOI：
10.1676/0043-5643(2000)112
发表时间：
2000-09-01
期刊：
WILSON BULLETIN
影响因子：
--
作者：
Fischer, JB;Griffin, CR
通讯作者：
Griffin, CR
影响因子：
3.4
作者：
Ma, ZJ;Li, B;Chen, JK
通讯作者：
Chen, JK
影响因子：
2.4
作者：
Fox, Anthony D.;Cao, Lei;Wang, Si Long
通讯作者：
Wang, Si Long
影响因子：
5.7
作者：
Taft, OW;Colwell, MA;Safran, RJ
通讯作者：
Safran, RJ
DOI：
10.1007/978-1-4020-9278-7_5
发表时间：
2010-01-01
期刊：
CONSERVATION MONITORING IN FRESHWATER HABITATS: A PRACTICAL GUIDE AND CASE STUDIES
影响因子：
--
作者：
Amat, Juan A.;Green, Andy J.
通讯作者：
Green, Andy J.