nandagang 中文意思是什麼
nandagang
解釋
南大港-
Based on the enviroment of the nandagang wetland, combining the outside investigation and inside analysis, adopting the mathematical analysis methods such as the principal component analysis ( pca ), regression analysis, correlation analysis etc. the type of wetland ecosystem, the flora of the wetland plant, the type, the function, the formation and succession and the outside influencial factors of the vegetation, the ecological conditions and biomass of the reed population are all studied. the main results can be concluded as follows : 1 ) the nandagang wetland is a freshwater one close to the bohai sea. its ecosystem can be divided into two parts : natural ecosystem and semi - artificial ecosystem
本研究從南大港濕地的實際環境出發，採用樣方調查的方法，以外業調查和內業分析相結合、野外採集測量與實驗室分析處理相結合、定性描述與定量分析相結合為根本研究路線，應用主分量分析（ pca ） 、回歸分析、相關分析等數學分析手段，對南大港濕地生態系統的類型、濕地植物的區系組成、濕地植被類型、植被的功能、植被的形成和演替、植被的外界影響因素、濕地蘆葦種群的生態條件和種群生物量等方面進行了較深入的研究，主要研究結果如下： 1 ）南大港濕地是濱海瀉湖型淡水濕地。 -
Reasons and characteristics of outbreak of oriental migratory locust locusta migratoria manilensis in nandagang, hebei province
河北省南大港農場2002年夏蝗發生特點及原因淺析 -
2 ) in the nandagang wetland, the plant are 141 species, belonging to 48 families and 110 genera
2 ）南大港濕地植物共48科110屬141種。 -
They play a big part in the flora and vegetation of the wetland. and they are constructive speicese or dominant species of most of the communities. the flora in the nandagang wetland consists of 13 geographical elements
該3科植物對南大港濕地植物的區系和植被組成起著重要的作用，並且是大多數群落中的建群種或優勢種。
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