generas 中文意思是什麼
generas
解釋
熱納拉-
The hygrophyte, the hydrophyte and the mesophyte play an important role in the floristic elements. north temperate type ( 29 generas ) is account for dominant position in the floristic geographical elements of genera
在各類植物區系地理成分中，北溫帶分佈屬（ 29屬）具有明顯優勢，說明該地區濕地植物區系具有明顯的溫帶特徵。 -
There are 101 species of vascular plants in the vegetations, which belong to 77 generas and 31 families
在濕地植被的區系組成中，共有維管植物101種，隸屬於31科77屬。 -
During this time both the monthly average algae density and lasting time increased year after year. the main algae forming algae bloom was cyanophyta and the dominant generas were microcystis. the accumulation of nutrients ( such as total nitrogen and total phosphorus ) with high concentration, high temperature of water and strong sunshine caused the algae bloom
結果表明，水溫較高的夏秋季（一般為7 9月）是天津市城市供水水源的藻類高發期；近幾年，高藻期含藻量呈逐年增加趨勢，持續時間呈逐年延長趨勢；高藻期水源水以藍藻為主，所佔藻類總數最高和最低比例分別為91和70 ，其中的優勢屬為微囊藻屬；水源水中高含量的氮、磷等營養鹽是藻類高發的內在因素，水溫、光照等是外在誘發因素。
分享友人