初级生产力

海洋初级生产力遥感与GIS评估模型研究

Remote sensing of oceanic primary productivity and its GIS estimation model

并采用灵敏度高、准确性较好的~（14）C示踪法，测定藻类生长的光合作用速率作为海洋初级生产力的指标。

Photosynthetic rates determined with sensitive and accurate 14C-tracer method were used as the index of primary productivity .

基于GIS和RS的河南省植被净初级生产力估算

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

水柱初级生产力高值区分布在小清河口和3730°N，11947°E附近。

High primary productivity is found at the Xiaoqing River Estuary and nearby 37 30 ° N , 119 47 ° E.

大气-水体系统中PAR传输模式及湖泊初级生产力

A Model of PAR Transfer in Atmosphere-Water System and Primary Productivity of Lake

基于GIS的陇西黄土高原落叶阔叶林潜在分布及潜在净初级生产力的模拟研究

GIS-based Modeling of the Potential Distribution and the Potential Net Primary Productivity of Deciduous Broadleaved Forest in the Western Part of the Chinese Loess Plateau

在全水系范围内河流初级生产力（P）与群落呼吸（R）比值P/R均大于1，说明香溪河是一条以自养生产为主的河流。

The ratio of gross primary productivity to community respiration was the highest in the first stream orders , which means autochthonous productivity was dominant in the river .

基于MODIS数据的草地净初级生产力模型探讨

A Research of Net Primary Productivity Model of Grassland Based on MODIS Data

用~（14）C示踪法测定了罗源湾初级生产力，并与POC的估算结果比较。

Primary Productivities in Luoyuan Bay were determined by 14C tracer method , compared with the estimation of POC .

通过N/P值分析，表明了N为该湾秋冬季节初级生产力的限制因子，而P则为该湾春夏季节初级生产力的限制因子。

The analysis by N / P ratio showed that N was a limited factor on the primary productivity in autumn and winter , but P was in spring and summer .

硅（Si）作为重要的生源要素，对水环境中硅藻类浮游植物的初级生产力具有不可替代的作用。

Silicon ( Si ), as an important biogenic element , acts an irreplaceable role on the primary production of larger phytoplankton such as diatoms .

植被净初级生产力（NetPrimaryProduction，NPP）在全球变化和全球碳循环中占有重要地位，是全球多项重要研究计划中的重要环节。

Net Primary Production ( NPP ) is a key component of many important globe research programs ; it keeps important position in global changing and global carbon cycle .

而在叶绿素a和初级生产力低且分布均匀的海域，SC、IC和PP之间不相关。

But in low and evenly distributed chlorophyll a and primary productivity areas , the SC was not correlated with either IC or PP.

夏季平均初级生产力为150.27mgC／（m2·d）。

The average primary production of the surveyed area was 150.27 mgC / ( m2 . d ) in summer .

另外还探讨了水化因子的变化特点，N、P的分布变化规律，浮游生物、初级生产力与营养盐限制因子的关系。

In addition , the changeable characteristics of the water-chemistry factors , the distributing rule of the N and P , the relation between limited nutritive salt and plankton and primary productivity were discussed .

利用“铁肥”方法增加海洋初级生产力、吸收大气中的CO2、降低温室效应是目前国际上的一个研究热点。

It is an international hotspot by using " iron fertilizer " to increase marine primary productivity , absorbing atmospheric CO2 and reducing the greenhouse effect .

农业植被净初级生产力代表了农田生态系统固定大气CO2的能力，是陆地生态系统碳循环的重要组成部分。

Plant net primary production ( NPP ) of agriculture vegetation represents the capacity of sequestrating atmospheric CO2 in agro-ecosystem , and plays an important role in terrestrial carbon cycling .

基于MODIS数据的黄土高原草地净初级生产力的估算研究

A Research of Net Primary Productivity Model of Grassland Based on MODIS Data in the Loess Plateau of China

通过测定水体初级生产力，推算出鲢、鳙的鱼产潜力为119.1万kg。

The fish productivity of silver carp and bighead carp was 1.19 × 10 ~ 6 kg in Nanwan reservoir based on the measurement of the elementary productivity of water body .

整个海区100m以上水体的次级生产力平均为72.9mgC·m-2·d-1。同时计算了初级生产力与浮游动物的次级生产力的营养传递的效率，平均转化效率为18%。

The average transformation efficiency estimated from primary productivity and second productivity was 18 % .

基于MODIS资料的2000&2004年江河源区陆地植被净初级生产力分析

Analysis of the Terrestrial NPP Based on the MODIS in the Source Regions of Yangtze and Yellow Rivers from 2000 to 2004

在混播组合中各牧草的生态寿命达到其生理寿命，而且具有正常的DM产量和比例，就应视为具有持久初级生产力和群落稳定性的组合。

If ecological lifetime of a species has matched its physiological life-span and has a normal DM yield , it could be regarded as with normal stability and primary production .

蝗虫的次级生产力为5.18kJ／m2·a，是地上净初级生产力的0.18%。

The net production of the grasshoppers is 5.18 kJ · m - 2 · a - 1 that accounts for 0.18 % of the above ground primary production .

对海洋而言，沙尘沉降可以提供浮游植物生长所需要的限制性营养元素（如：N、P、Si）和痕量元素（如：Fe），促进其光合作用，增加海洋的初级生产力。

Dust deposition into ocean could provide the essential nutrient elements ( such as N , P and Si ) and trace elements ( such as Fe ) for growth of marine phytoplankton , enhancing photosynthesis and promoting marine primary productivity .

总初级生产力（GrossPrimaryProductivity，GPP）不仅是大气和陆地生态系统碳交换的主要决定因素之一，也是表征植物活动和功能的重要指标。

Gross Primary Productivity ( GPP ) is not only one of the major determinants of carbon exchange between the atmosphere and terrestrial ecosystems , but also an crucial gauge to describe plant activities and functions .

阔叶红松林净初级生产力对气候变化响应模拟基于IBIS模型的东北森林净第一性生产力模拟

Modeling response of mixed Korean pine and broad-leaf forest to climate change Simulation of forest net primary productivity in northeastern China with IBIS

硅质浮游植物是水体初级生产力的主要组成部分，是沉积物生物硅（BSi）的主要来源。

Silicon phytoplankton , the main component of primary production in water , is the most dominated source of biogenic silica .

用大气植被相互作用模式（AVIM）模拟了全球陆地植被的净初级生产力（NPP）。

The net primary productivity ( NPP ) of global terrestrial vegetation is estimated by an Atmosphere-Vegetation Interaction Model ( AVIM ) .

海洋初级生产力（OPP）在全球碳循环中起着重要作用，在相当程度上控制着海–气界面CO2的交换，是全球变化研究中的重要内容。

Ocean primary productivity ( OPP ) controls the exchange of carbon dioxide at the air – sea interface and plays an important role in the global carbon cycle and climate change .

利用BIOME-BGC模型模拟了当前气候和CO2浓度条件下四个研究样点净初级生产力（NPP）特征。

Using the BIOME-BGC model , we simulated the net primary productivity ( NPP ) of Picea schrenkiana forests in the four study sites under the current climatic conditions .