| DU Jianguo,WANG Yanguo,PERISTIWADY Teguh,LIAO Jianji,MAKATIPU Petrus Christianus,HUWAE Ricardo,JU Peilong,LOH Kar Hoe,CHEN Bin. 2018. Temporal and spatial variation of fish community and their nursery in a tropical seagrass meadow. Acta Oceanologica Sinica, 37(12):63－72 |
| Temporal and spatial variation of fish community and their nursery in a tropical seagrass meadow |
| 海草床鱼类群落结构的时空变化及其在热带海草床中的育幼 |
| Received:June 15, 2017 |
| DOI：10.1007/s13131-018-1288-z |
| Key words:seagrass meadows fish assemblages nursery function North Sulawesi |
| 中文关键词: 海草床 鱼类群落 育幼功能 北苏拉威西 |
| 基金项目:The China-Indonesia Maritime Cooperation Fund Project "China-Indonesia Bitung Ecological Station Establishment"; the National Natural Science Foundation of China under contract Nos 41676096 and 41506123; the Biodiversity of Coastal Ecosystem, Kema, North Sulawesi; the Scientific Research Foundation of Third Institute of Oceanography, SOA under contract No. 2015024; the National Key Research and Development Program of China under contract Nos 2017YFC1405101 and 2017YFC0506105; the Public Science and Technology Research Funds Projects of Ocean under contract No. 201505009. |
| Author Name | Affiliation | E-mail | | DU Jianguo | Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China | dujianguo@tio.org.cn | | WANG Yanguo | Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China | | | PERISTIWADY Teguh | Bitung Marine Life Conservation, Research Center for Oceanography, Indonesian Institute of Sciences, Bitung 97255, Indonesia | | | LIAO Jianji | Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China | | | MAKATIPU Petrus Christianus | Bitung Marine Life Conservation, Research Center for Oceanography, Indonesian Institute of Sciences, Bitung 97255, Indonesia | | | HUWAE Ricardo | Bitung Marine Life Conservation, Research Center for Oceanography, Indonesian Institute of Sciences, Bitung 97255, Indonesia | | | JU Peilong | College of Ocean and Earth Sciences, Xiamen University, Xiamen 361005, China | | | LOH Kar Hoe | Institute of Ocean and Earth Sciences, University of Malaya, Kuala Lumpur 50603, Malaysia | | | CHEN Bin | Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China | chenbin@tio.org.cn |
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| Abstract: |
| Fish species composition and spatio-temporal variability of the community were studied in a tropical seagrass meadow located in a lagoon in the eastern part of North Sulawesi. The diversity of fish community in the seagrass meadows was relatively high, with the Shannon-Wiener index ranging from 1.57 to 3.69. The family Apogonidae was the most dominant in abundance (8.27 ind./(100 m2)) and biomass (28.49 g/(100 m2)). At the species level, Apogon lateralis and Sphaeramia orbicularis were the most dominant species in abundance and biomass, respectively. For spatial distribution on species, the end, middle and mouth of the lagoon clustered together as a whole, which may be due to the substrate types found in those zones. The fish species, fish abundance and fish biomass were greater in the dry and wet seasons than in the transition season, which is explained by the strong monsoon, which provides a more suitable environment and food for the fish. The maximum length of 93.10% of the captured species was less than their length at maturity, indicating that seagrass meadows are nursery habitats for many fishes. Therefore, protection of the seagrass meadows is essential for fisheries and sustainable resource utilization. |
| 中文摘要: |
| 本文以印尼北苏拉威西东部的潟湖为对象，研究了热带海草床鱼类群落的种类组成和时空变化。研究发现当地鱼类的香农-威纳指数在1.57-3.69之间多样性相对较高。在科水平，天竺鲷科的丰度（8.27 ind./（100 m2））和生物量（28.49 g/（100 m2））最高。在物种水平，侧带天竺鲷（Apogon lateralis）的丰度最高，环纹圆天竺鲷（Sphaeramia orbicularis）的生物量最大。对于物种的空间变化，潟湖湖顶、湖中和湖口首先聚类在一起，这可能是由于基质类型引起的。干季和湿季的鱼类种类、丰度和生物量均比转换季高，这可能是由较强的季风造成的，强季风为鱼类提供了更适宜的环境和食物。93.1%的鱼类的最大体长小于它们的性成熟体长，暗示了海草床是很多鱼类的育幼场。因此，保护海草床对渔业和资源的可持续利用至关重要。 |
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