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population growth
The treatments applied in 1993 resulted in >amp;gt;97% reduction in mating and >amp;gt;82% suppression of population growth in the following year.
      
Because of a 1995 collapse of gypsy moth populations in the vicinity of the tests, reliable population growth data were not available for the treatments applied in 1994, but significant mating disruption did occur under both treatments.
      
The biological efficacy data suggest that the bead and flake formulations, as applied in these tests, have similar effects on gypsy moth mating disruption and subsequent population growth.
      
Trends based on simple linear regression models suggest that sublethal dosages of bifenthrin or carbofuran have a negative impact on aphid population growth as dosages increase.
      
Significant reductions of population growth rate (PGR) of aphids were obtained with the joint action of wheat resistance and natural enemies.
      
Net reproductive rate (R0), instantaneous rate of increase (rm), combined age-specific survivorship (lx) and age specific fecundity (mx) provide information about population growth potential.
      
The observed differences would potentially translate into large reductions in population growth, indicating a potential value of using SPI for protecting sugarcane plants against damage by the sugarcane borer.
      
After a period of plant recovery, we estimated aphid population growth and feeding preferences on control and previously infested plants.
      
Previous infestation by D.?noxia had no effect on the subsequent population growth of either aphid species.
      
Previous infestation by R.?padi reduced its own subsequent growth by 50%, but had little effect on the population growth of D.?noxia.
      
The Beacon Art Center and Institute, located in an area of Florida experiencing rapid population growth, has enjoyed increases in membership,revenue and services.
      
The Beacon Art Center and Institute, located in an area of Floridaexperiencing rapid population growth, has enjoyed increases in membership,revenue and services.
      
Salient features of the weevil's biology include nocturnal activity, long life span, limited mobility, low fecundity, and slow population growth.
      
Human population growth and the improving condition of human populations in developing countries affect ecological health and integrity.
      
Finite population growth rate (λ) was themetric relating population level impact to leadexposure.
      
It cites five reasons why discussions of the economic hazards posed by population growth have become markedly less alarmist in the past decade.
      
The argument that rapid population growth is the causal determinant of poverty and underdevelopment is seeing a resurgence.
      
The driving force analysis reveals that human activities, such as reclamation and population growth, played a major role in the oasis expansion and ecological deterioration in the Manas River Valley.
      
The Loess Plateau has a long cultivation history, hence population growth, vegetation degeneration and plugging constitute the chief reason for serious soil and water loss on Loess Plateau.
      
Regarding the decrease in arable land, the direct driving forces include adjustments of agricultural structure and reclamation, and indirect driving forces include advance in technology, economic interest and population growth etc.
      
 

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