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云南湖泊
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  yunnan lakes
     It is discussed here first on the reason of shallow lake eutrophication, including processes observed in other Yunnan lakes, then the size composition of algae and cyanobacterial fraction are compared between the connected lakes.
     在此对浅水湖富营养化的原因进行了讨论 ,包括在其它云南湖泊观察到富营养化的过程 ,再者 ,对两个相连湖的藻和蓝藻碎片的大小构成进行比照。
短句来源
  lakes of yunnan
     FISH FAUNA AND ITS DIFFERENTIATION IN THE UPLAND LAKES OF YUNNAN
     云南湖泊鱼类的区系及其类型分化
短句来源
     Obective Uscussions about whether the subgenera should be divided under the genusSinocyclocheilus and about the taxonomic position of 3 subspecies form lakes of Yunnan Province.
     目的讨论金线属是否适宜作亚属划分和该属云南湖泊3亚种的分类地位。
短句来源
     And the result of phylogenic analysis showed that the 3 suboes from lakes of Yunnan werw notconcluded in a three-taxon group.
     云南湖泊3亚种被分散在属内不同的支序中。
短句来源
  “云南湖泊”译为未确定词的双语例句
     The 3 subspecies should be recovered to orpromoted to species individually.
     云南湖泊3亚种应分别提升为独立的种。
短句来源
  相似匹配句对
     LIMNOLOGICAL SURVEY OF THE LAKES OF YUNNAN PLATEAU
     云南高原湖泊调查
短句来源
     A STADY ON THE LAKE VEGETATION OF YUNNAN PLATEAU
     云南高原湖泊水生植被的研究
短句来源
     Gathering in Yunnan Province
     相聚云南
短句来源
     and G.
     和云南甘草G.
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     The Deterioration of Lakes and Reservoirs
     湖泊和水库的退化
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  yunnan lakes
We describe the chemical and physical characteristics of Yunnan lakes, and address effects of regional geology and human influences on water quality and sediment type.
      
Water quality differs between deep Yunnan lakes of tectonic origin and shallow solution basins.
      
  lakes of yunnan
Water quality and sediment geochemistry in lakes of Yunnan Province, southern China
      


The lakes in Yunnan have a complicated evolutionary history under the action of the intensive Neu-tectonism and regional physical conditions. As a result, the carbonate sediments are accumulated slowly in the lakes. According to their appearence and origin, three kinds of the carbonate sediments can be distinguished: 1. Organic shell carbonate which are mainly from gastropoda and Lamellibranchia; 2. Micro-grained carbonate, including aragonite needles or radial aragonite aggregates, crypto-crystalline calcite...

The lakes in Yunnan have a complicated evolutionary history under the action of the intensive Neu-tectonism and regional physical conditions. As a result, the carbonate sediments are accumulated slowly in the lakes. According to their appearence and origin, three kinds of the carbonate sediments can be distinguished: 1. Organic shell carbonate which are mainly from gastropoda and Lamellibranchia; 2. Micro-grained carbonate, including aragonite needles or radial aragonite aggregates, crypto-crystalline calcite lumps or monocrystalline aggregates and dolomite; 3. Cleargrained carbonate of lumps, pellets and ooids distributed in definite environmental areas of the lakes. The lumps are composed of fine elastics cemented by crypto-crystalline carbonate and are considered being the result of the biochemical sedimentation of microorganism on the basis of total nitrogen analysis. The pellets are small ellipoids consisting of micro-crystal calcite formed in an area with abundant algae. Calcite was converted into pellets due to activity of denitrifying becteria in a micro-environment produced by algae metabolism. Ooids have some laminae which express the alternation of calcite growing radially with the aragonite growing in a tangental direction around its core. Its origin is likely related to temporary dryness of lakes and hence a change in Mg/Ca ratio, displaying alternated precipitation of calcite with aragonite.There are seldom large carbonate-forming organism like those in marine. Therefore, carbonate sedimentation in lakes is mainly subject to the micro-grained carbonate, but it is also possible for clear grained carbonate to occur in some areas of the lakes, causing the complication of the carbonate sedimentation in lakes. By comparison of characters of the carbonate sedimentation in Chenghai lake of recent 100 years, the general regularity about the lacustrine carbonate sedimentation is obtained.

云南湖泊多属中等矿化度的淡水湖泊,碳酸盐沉积物处于缓慢的积累过程。就其外形和成分可分为微粒碳酸盐、颗粒碳酸盐、生物贝壳碳酸盐和陆源碎屑碳酸盐。颗粒碳酸盐多分布在特定环境的湖区,集合粒成因与微生物的生物化学沉积作用有关;球状粒为微晶方解石组成,由藻群落及其代谢物形成的微环境对方解石缓慢沉淀有利;鲕状粒的形成可能与湖泊不定期干涸引起镁、钙比值变化及方解石、文石交替沉淀有关。微粒方解石是碳酸盐沉积的主要矿物形式,局部湖区形成的以颗粒碳酸盐为主的堆积体是云南湖泊早期碳酸盐沉积作用的主要特点。

Obective Uscussions about whether the subgenera should be divided under the genusSinocyclocheilus and about the taxonomic position of 3 subspecies form lakes of Yunnan Province.Methods Combination of morphological classification and phylogenic analysis. Results Referencecriterions of subgenus division based on the principles of cladistics wer recommended. No dominantmorphological differences and no sister gioup reationship existed between its two subgenera divided in thepast. And the result of phylogenic analysis...

Obective Uscussions about whether the subgenera should be divided under the genusSinocyclocheilus and about the taxonomic position of 3 subspecies form lakes of Yunnan Province.Methods Combination of morphological classification and phylogenic analysis. Results Referencecriterions of subgenus division based on the principles of cladistics wer recommended. No dominantmorphological differences and no sister gioup reationship existed between its two subgenera divided in thepast. And the result of phylogenic analysis showed that the 3 suboes from lakes of Yunnan werw notconcluded in a three-taxon group. Conclusions Two subgenera divided in the past were not proper andthe division of subgenera under the genus was unnecessary . The 3 subspecies should be recovered to orpromoted to species individually.

目的讨论金线属是否适宜作亚属划分和该属云南湖泊3亚种的分类地位。方法形态分类和系统发育分析相结合的方法。结果提出了属下划分亚属的参考标准;过去所分的两个亚属之间无明显的形态特征差异,也不能构成姐妹群关系;云南湖泊3亚种被分散在属内不同的支序中。结论无论在系统发育上,还是在分类上,过去所分亚属均不恰当,且该属不适宜划分亚属;云南湖泊3亚种应分别提升为独立的种。

A deep Fuxian Lake in Yunnan Province of China, is connected to a shallow and highly eutrophicated Lake, Xingyun, which drains the greenish algae water into Fuxian Lake. The connected lakes are located close to the provincial capital, Kunming city, so that they have been eutrophicated due to regional civilization, agricultural concentration and increasing tourism. Because of the difference of two orders in their volumetric capacities, the eutrophication in the deep and larger lake has been minded little so far....

A deep Fuxian Lake in Yunnan Province of China, is connected to a shallow and highly eutrophicated Lake, Xingyun, which drains the greenish algae water into Fuxian Lake. The connected lakes are located close to the provincial capital, Kunming city, so that they have been eutrophicated due to regional civilization, agricultural concentration and increasing tourism. Because of the difference of two orders in their volumetric capacities, the eutrophication in the deep and larger lake has been minded little so far. Anaerobic hypolimnetic water of Fuxian Lake in autumn has been noticed for about 20 years, which seems a eutrophic criteria or tendency for those deep lakes. Fuxian Lake looks temporary good and said to be oligotrophic, however, the external loading is implicitly but steadily accelerated. It is discussed here first on the reason of shallow lake eutrophication, including processes observed in other Yunnan lakes, then the size composition of algae and cyanobacterial fraction are compared between the connected lakes. As a deep lake to compare with Fuxian Lake situation, a Japanese deep lake and its current system are briefly introduced, in which, the gyre current and its micro ecosystem are deeply related each other. The problem would be generalized in view of the gyre ecosystem to judge the micro ecosystem for the deep lake eutrophication.

抚仙湖是中国云南省的一个深水湖 ,连接着富营养化的浅水湖———星云湖 ,星云湖排放含绿藻的水进入抚仙湖。两湖位于省会昆明附近 ,由于地方文化、集约化农业、以及旅游业的发展 ,两湖已经富营养化。因为湖泊体积容量的级别差异 ,深水湖的富营养化几乎没被注意 ,抚仙湖秋季下层滞水带缺氧已经关注了 2 0年 ,似乎下层滞水带是深水湖富营养化的指标或趋势。抚仙湖看起来目前情况尚好 ,可以说寡营养 ,然而 ,外界负荷是潜在的 ,且是以稳定的加速度进行的。在此对浅水湖富营养化的原因进行了讨论 ,包括在其它云南湖泊观察到富营养化的过程 ,再者 ,对两个相连湖的藻和蓝藻碎片的大小构成进行比照。为了与深水的抚仙湖状况进行比较 ,简略介绍了一个日本的深湖及其径流系统。其中 ,涡流和它的微生态系统 ,在两者中相关性很好。对于以涡流生态系统的见解判断微生态系统的深水湖富营养化问题将给予概括

 
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