primary production是什么意思

网络释义

用法例句

Annual cycle of phytoplankton biomass and primary production in the Bohai Sea simulated by a three-dimensional ecosystem model;

渤海浮游植物生物量与初级生产力变化的三维模拟

The net primary productions of periphyton and macrophyte were 0.

浮游植物、大型水生植物和附生藻类在净初级生产力中的比例分别为93%、6%和1%。

The primary production of Artemisia scoparia community is studied, the tesult indicates that the seasonal dynamics of primary production was evident, the aboveground primary production in May, June, July, August, September are 12.

研究了扫帚艾群落初级生产。

Plankton community and primary productivity in waters for culturing freshwater pearl mussel(Hyriopsis cumingii) under different stockings and management models;

不同放养和管理模式下三角帆蚌养殖水体中的浮游生物和初级生产力

The Size-fractionated chlorophyll a concentration and primary productivity in the Chukchi Sea and its northern Chukchi Plateau;

楚科奇海及其海台区粒度分级叶绿素a与初级生产力

The chlorophyll a concentration and estimating of primary productivity in the Bohai Sea in 1998～1999;

1998～1999年春秋季渤海中部及其邻近海域叶绿素a浓度及初级生产力估算

The primary production and potential fishery production in the sea area around the Daya Bay Nuclear Power Station before and after the operation of DBNPS;

大亚湾核电站运转前后邻近海域初级生产力及潜在渔获量初步研究

Satellite and in situ observations of primary production in the northern South China Sea;

南海北部初级生产力遥感反演及其环境调控机制

Status and prospectives of reseach on coral reef ecosystem primary production;

珊瑚礁生态系统初级生产力研究进展

The nutrients relationship between the primary producers and decomposers in forest-ecosystem is a mutua-competitive and complex relationship.

森林生态系统中,初级生产者和分解者之间的养分关系,是一种既互利又竞争的复杂关系。

Size-fractionated plankton respiration and phytoplankton production rates in shrimp culture ecosystems were studied with five experimental enclosures from June to August 1997 in the shrimp farm of the Huanghai Fisheris Corporation in Shandong Province,China.

1997年 6～ 8月于山东省海阳市黄海集团公司养虾场 ,用 5个实验围隔研究了对虾池不同粒级浮游生物的呼吸率和初级生产率 。

Plankton respiration and phytoplankton production rates were obtained through in situ experiment with light and dark bottle technique.

2008年10～11月于海南省万宁市港北业兴水产养殖有限公司石斑鱼繁育场,用8个水泥池,采用黑白瓶法研究了石斑鱼不同工厂化育苗方式的生态系统中不同粒级浮游生物的呼吸率和初级生产率。

The ratios of the respiration rates of different sized plankton to corresponding sized phytoplankton production rates was: 113.

于2008年1—6月对大连壹桥海洋苗业股份有限公司4个刺参Apostichopus japonicus养殖池塘不同粒级浮游生物的呼吸率和初级生产率进行了测定。

Studies on Net Primary Productivity of Forest Ecosystem

森林生态系统净初级生产力模拟研究

Simulating Net Primary Production of Agricultureal Vegetation in China;

中国农业植被净初级生产力模拟研究

Remotely sensed estimation models of ocean primary production

海洋初级生产力的卫星遥感估算模型

Primary production of the Nanhu Lake aquatic ecosystem in Changchun(Ⅰ)-- phytoplankton

长春南湖水生生态系统的初级生产(Ⅰ)——浮游植物

Primary productivity and the standing stock of photo-plankton in the Bering Sea during the summer of 2003

白令海光合浮游生物现存量和初级生产力

Respiration and production of size-fractionated plankton in ponds with sea cucumber Apostichopus japonicus

刺参养殖池塘不同粒级浮游生物呼吸率和初级生产率的研究

Primary productivity and energy conversion efficiency in eel pond

养鳗池塘的初级生产力和能量转换效率

Effect of Radiation on the Primary Productivity of Phytoplankton in Lake Taihu;

光辐射对太湖浮游植物初级生产力的影响研究

Study on Chlorophyll-a and Primary Productivity in Inshore Waters of the Qingdao;

青岛近岸海域叶绿素a与初级生产力调查研究

Estimation of Forest Net Primary Productivity in Heilongjiang Province Based on Remote Sensing

黑龙江省森林植被净初级生产力遥感估算研究

Distribution of Chlorophyll. a and Primary Productivity in Fujian Coastal Water

福建近海叶绿素a和初级生产力的分布特征

Study on forecasting model of artificial neural networks of primary productivity in Daya Bay

大亚湾初级生产力人工神经网络预测模型研究

Estimation of vegetation net primary productivity on North Shaanxi Loess Plateau .

陕北黄土高原植被净初级生产力的估算

Estimation of Net Primary Productivity in Henan Province Using GIS and RS

基于GIS和RS的河南省植被净初级生产力估算

Modeling response of mixed Korean pine and broad-leaf forest to climate change

阔叶红松林净初级生产力对气候变化响应模拟

NPP Change in Vegetation in Xinjiang under Climate Change

新疆气候变化下植被净初级生产力格局分析

elementary agricultural producers' cooperation

初级农业生产合作社

Control the total output of mineral primary products.

控制矿产品等初级加工产品生产总量。