搜索结果: 1-11 共查到“农学 population dynamics”相关记录11条 . 查询时间(0.078 秒)
Population Dynamics of Juniperus macropoda Bossier Forest Ecosystem in Relation to Soil Physico-Chemical Characteristics in the Cold Desert of North-Western Himalaya
cold desert soil nutrients biomass carbon density elevational ranges natural regeneration
2023/12/1
Juniperus macropoda is the only tree species of a cold desert ecosystem that is experiencing high anthropogenic pressure and has a poor regeneration status due to harsh environmental conditions. Due t...
Population dynamics of Chaetocnema tibialis Illiger and Phyllotreta vittula (Redtenbacher) on the weed Amaranthus retroflexus L. and cultivated Amaranthus caudatus L.
Amaranthus flea beetles Chaetocnema Phyllotreta
2015/2/6
In 1995–1997, the population dynamics of the flea beetles Chaetocnema tibialis and Phyllotreta vittula, associated with Amaranthus retroflexus (wild species) and Amaranthus caudatus (cultivated specie...
Population dynamics of eight-toothed spruce bark beetle (Ips typographus[L.]) in the area of National Nature Reserve Praděd in 1998–2001
Ips typographus population dynamics management of Ips typographus NNR Praděd regulated disintegration
2015/2/6
The paper deals with the study of bionomics and population dynamics of Ips typographus (L.) in the area of the Praděd National Nature Reserve (NNR). Data were collected on the basis of detected feedin...
Diapause of Cameraria ohridella Deschka et Dimic and its impact on the species population dynamics
diapause pupa regression analysis
2015/1/29
Cameraria ohridella Deschka et Dimic is a polyvoltine species which can complete under suitable conditions the development of as many as three generations a year. In the Czech Republic, however, the t...
Monitoring the population dynamics of the horse chestnut leafminer Cameraria ohridella with a synthetic pheromone in Europe
horse chestnut leafminer Cameraria ohridella Lepidoptera Gracillariidae female sex pheromone traps monitoring population density
2015/1/28
A monitoring system for Cameraria ohridella males based on a synthetic sex pheromone was tested in the Czech Republic, Germany, France and Greece. From the obtained data on the insect phenology we con...
Population Dynamics of Tomato Russet Mite,Aculops lycopersici (Massee) and Its Natural Enemy, Homeopronematus anconai
population growth injury developmental zero thermal constant biological control
2009/9/9
Developmental rates of Aculops lycopersici increased linearly as rearing temperature increased. A total of 81.2 degree-days above a developmental zero of 10.5°C were required to complete development f...
Effects of tillage method, fertilizer, and crop rotation on population dynamics of soybean cyst nematode (Heterodera glicines) and soybean growth
Red clover Crotalaria Shallow tillage Soybean Soybean cyst nematode
2009/7/7
Recently, damages by soybean cyst nematode (SCN) are increasing in Japan, due to continuous cultivation of soybean, and the establishment of the culture method to control SCN is awaited. In this rese...
Influence of crop rotations and reduced tillage on weed population dynamics under Lithuania’s heavy soil conditions
crop rotations weed population dynamics Lithuania’s heavy soil conditions
2010/1/14
Influence of crop rotations and reduced tillage on weed population dynamics under Lithuania’s heavy soil conditions.
The abundance and population dynamics of onion thrips (Thrips tabaci Lind.) in leek under field conditions
onion thrips leek field conditions
2010/1/14
The abundance and population dynamics of onion thrips (Thrips tabaci Lind.) in leek under field conditions.
GENERATION OF TEMPORALLY AND SPATIALLY HETEROGENEOUS LANDSCAPES FOR MODELS OF POPULATION DYNAMICS
Cellular automata percolation map heterogeneous landscape dynamic landscape habitat fragmentation
2010/3/24
There is an increased interest in the use of spatial explicit modelling techniques in ecological research. One of the strength of this technique is the possibility to explicitly study the effect of en...
POPULATION DYNAMICS OF THE SYCAMORE LACE BUG,CORYTHUCHA CILIATA (SAY) (HETEROPTERA: TINGIDAE) IN HUNGARY
population dynamics spatial-temporal patterns state planes seasonality ecology
2010/3/24
Based on the observation of more than 10 000 leaves of plane trees, four populations of
Corythucha ciliata (Say, 1832) (Heteroptera: Tingidae) are investigated. After having introduced some parameter...