population biomass 中文意思是什麼

population biomass 解釋
種群生物量
  • population : n. 1. 人口；人口總數；全體居民；人口的聚居。2. 物的全體[總數]；【生物學】蟲口；種群（量）；群體；族，組，個數；【統計學】對象總體，全域。3. 【物理學】布居；密度。4. 〈罕用語〉殖民。
  • biomass : n. 【生態】生物量〈某一地域或單位面積內存在的生物的總量〉。
  1. The tiller - nodes of 6 species of rhizome grass, including leymus chinensis, hemarthriajaponica, arundinella hirta, calamagrostis epigeios, c. rigidula, hordeum brevisubulatum in songnen plain, can live at best for 2 to 5 years, and do 2 to 4 propagating generations which is the same as the age class of tiller in number. the age structure of population is an increasing model which the young tiller is more than the old at quantity and biomass. during the whole growing season, the age spectrum varies for each species

    松嫩平原，羊草、牛鞭草、野古草、拂子茅、硬拂子茅和野大麥等6種根莖型禾草種群的分蘗節最多可以存活2 5個年度，可以進行營養繁殖2 4個世代，分蘗株的齡級數與分蘗節營養繁殖的世代數相同，在種群分蘗株的數量和生物量上，生長季的各個時期均以幼齡分蘗株占較大比例，呈現為明顯的增長型年齡結構，各種類的年齡譜組成各異。
  2. Soil microbial biomass and viable population size ( plant counts ) were negatively affected by the elevated metal levels, but the size of soil basal respiration rate and microbial metabolic quotients were positively influenced by the increasing heavy metal pollution levels. microbial community structure also changed with increasing contamination, as indicated by biolog data and principal component analysis of biolog community metabolic profiles. soil microbial metabolic profiles ( awcd ) values, community richness and diversity index in mine - soils decreased remarkably as compared

    相關分析結果表明，土壤重金屬含量和土壤基礎呼吸、微生物量cfn 、代謝剖面（ awcd ） 、微生物商（ cmic / corg ） 、代謝商（ qc02 ）與人工栽培的香根草植物地上部分呈顯著或極顯著正相關（卜0 . 6653飛0 . 8945 」 ） ;微生物量c 、微生物量n 、生化作用強度、酶活性、群落shannon指數（ h ）和微生物群落豐富度（ s ）與人工栽培的香根草植物地上部分生物量呈顯著或極顯著地負相關（ r =一。
  3. The system considers synthetically the influence of estuarine ecosystem on the whole basin and human life from aspects of influence on pacts of the environment, biology and human of ecosystem respectively, and adopts the indices of catchment area, population density, inflow amount, period of river flow cut - off, water quality, biodiversity index number and biomass to evaluate the state of estuarine ecosystem

    指標體系綜合考慮河口生態系統對全流域及入類生活的影響，分別從生態系統的環境部分、生物部分以及對人類的影響等3方面，採用集水面積、人口密度、入海量、河口斷流時間、水質、生物多樣性指數和生物量等7項指標對河口生態系統狀況進行評價。
  4. 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。
  5. Influence of mowing for many years on community biomass and the important value of leymus chinensis and koeloria cristata population on l. chinensis steppe

    多年割草對羊草草原群落生物量及羊草和草種群重要值的影響
  6. Seed collection should begin when seed on the most top of the spike sloughing, and go on for 3 days. biology population of this plant was research on clone and modular level, mainly discussed how density affect the population size and biomass, as well as the " - 3 / 2 self thinning " and the primary productions under different densities

    從無性系構件和個體水平上進行了野大麥種群生物學方面的研究。主要討論了密度對種群數量和生物量的影響，對「 - 3 2 」自疏法則進行了討論，並從草地生產角度比較了不同密度種植區的草地凈第一性生產力。
  7. The zones of coexisting distribution can be influenced by hydrological conditions. in this paper, a method is used to estimate the biomass contribution of per population to total biomass that combined flow cytometric analyzing data and size - fractionated chlorophyll a data. the results of autumn cruise shows that synechococcus is a important contributor to pico - chlorophyll a, especially in e2, e6, e7 also be true to total chlorophyll a, which the percent value is 69 %, 56 %, 56 % respectively

    本文還嘗試把流式細胞計分析的數據與葉綠素a分級數據結合，粗略估計微微型浮游植物各類型的葉綠素a貢獻，對秋季結果分析表明，在秋季聚球藻是pico一葉綠素a的主要貢獻者，在e2 、 e7 、 e6站甚至是總葉綠素a的主要貢獻者，分別達到69 % 、 56 % 、 56 % ，不過本法還存在許多缺陷，有待于進一步探討。
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