scholarly journals Dispersal of the Invasive Pasture Pest Heteronychus arator into Areas of Low Population Density: Effects of Sex and Season, and Implications for Pest Management

2016 ◽  
Vol 7 ◽  
Author(s):  
Sarah Mansfield ◽  
Philippa J. Gerard ◽  
Mark R. H. Hurst ◽  
Richard J. Townsend ◽  
Derrick J. Wilson ◽  
...  
Keyword(s):  
Population Density ◽  
Pest Management ◽  
Density Effects

Effects of population density on female and male burrow characteristics in the fiddler crab, Uca bengali Crane, 1975

Crustaceana ◽  
2015 ◽  
Vol 88 (12-14) ◽  
pp. 1283-1299 ◽  
Author(s):  
Fahmida Wazed Tina ◽  
Mullica Jaroensutasinee ◽  
Krisanadej Jaroensutasinee
Keyword(s):  
Body Size ◽  
Population Density ◽  
Fiddler Crab ◽  
High Density ◽  
The Other ◽  
Low Density ◽  
Density Effects ◽  
Egg Incubation ◽  
Other Hand ◽  
Males And Females

We examined the effects of population density on body size and burrow characteristics ofUca bengaliCrane, 1975. We predicted that (1) males in high-density areas (HD) should be larger in size and build higher quality burrows than males in low-density areas (LD), and (2) HD females should be larger in size, but build lower quality burrows than LD females, as HD females can find higher numbers of good quality male burrows around them for breeding and egg incubation. Our results showed that males and females in HD were larger in size than those in LD. Since HD males were larger in size, they built higher quality burrows than males in LD. On the other hand, even though LD females were smaller in size than HD ones, they built higher quality burrows than HD females. Our results thus indicate that density effects both body size and burrow characteristics.

Path Analyses of Population Density Effects on Short-Season Soybean Yield

2001 ◽  
Vol 93 (1) ◽  
pp. 187-195 ◽  
Author(s):  
Rosalind A. Ball ◽  
Ronald W. McNew ◽  
Earl D. Vories ◽  
Terry C. Keisling ◽  
Larry C. Purcell
Keyword(s):  
Population Density ◽  
Soybean Yield ◽  
Density Effects ◽  
Path Analyses ◽  
Short Season

scholarly journals Temperature and Population Density Effects on Locomotor Activity of Musca domestica (Diptera: Muscidae)

2013 ◽  
Vol 42 (6) ◽  
pp. 1322-1328 ◽  
Author(s):  
T. M. Schou ◽  
S. Faurby ◽  
A. Kjærsgaard ◽  
C. Pertoldi ◽  
V. Loeschcke ◽  
...  
Keyword(s):  
Locomotor Activity ◽  
Population Density ◽  
Musca Domestica ◽  
Density Effects

Population density effects on longevity

Genetica ◽  
1993 ◽  
Vol 91 (1-3) ◽  
pp. 99-109 ◽  
Author(s):  
Joseph L. Graves ◽  
Laurence D. Mueller
Keyword(s):  
Population Density ◽  
Density Effects
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