| 引用本文: | 张圣照,窦鸿身,姜加虎.龙感湖水生植被.湖泊科学,1996,8(2):161-168. DOI:10.18307/1996.0212 |
| Zhang Shengzhao,Dou Hongshen,Jiang Jiahu.Aquatic vegetation in longgan lake. J. Lake Sci.1996,8(2):161-168. DOI:10.18307/1996.0212 |
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| 摘要: |
| 于1993年9月对龙感湖水生植被及环境进行了调查研究。龙感湖有水生植物26科38属50种,依据优势种群划分9个群丛,其分布面积283.5km2,占全湖总面积的89.7%,植被现有年生产力达2147730t,对渔业生产和生态环境具有十分重要的意义。建议对该湖植被应合理开发利用,如果围网养鱼得到广泛地发展,渔业生产潜力每年可达4181.8t。 |
| 关键词: 龙感湖 水生植被 渔产潜力 |
| DOI：10.18307/1996.0212 |
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| 基金项目:中国科学院基础研究特别支持项目"中国湖沼系统调查与分类研究"资助 |
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| Aquatic vegetation in longgan lake |
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Zhang Shengzhao, Dou Hongshen, Jiang Jiahu
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Nanjing Institute of Geography & Limnology, Chinese Academy of Sciences, Nanjing 210008
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| Abstract: |
| Aquatic vegetation and environment in Longgan Lake are investigated in September, 1993.The results show that the aquatic flora in the lake covers 26 families, 38 genus, 50 species.The distribution area is 283.5km2,making up 89.7% of the lake. Based on the domi-nent association combinations and structures, the following 9 association types can be cate-goried; (1) Zizania caduciflora ass.; (2) Nelumbo nucifera ass.; (3) Neiumbo nucifera-Trapa bicornis ass.; (4) Hydrilla verticillata+Vailtsneria spiralis+Ceratophyllum demersum ass.;(5) Hydrilla verticillata+Potamogeton maackianus ass.;(6) Vallisneria spiralis ass.; (7) Potamogeton malaiantis-Vallisneria spiralis ass.; (8) Trapa naians-Potamogeton mela-ianus+ Myriopkyllum spicatum-HydriUa verticillata ass.;(9) Potamogeton mcdaianus+Myriophyilum spkatum ass.After comparing the aquatic vegetation association types and their distribution in 1980 and 1993, the authors make some suggestions, i.e.: the annual 2147730t of aquatic vegetation should be exploited and utilized in a reasonable way; a net increase of 418L 8t/a in fishery potential may be reached when pen-fish-farming is widely populariged. |
| Key words: Longgan Lake aquatic vegetation fishery potential |
