scholarly journals Population Densities and Spatial Patterns of the Aphid Tristeza Vector, Toxoptera citricida Kirk

1980 ◽  
Vol 8 (8) ◽  
Author(s):  
F.E. Klas
Keyword(s):  
Spatial Patterns ◽  
Population Densities ◽  
Toxoptera Citricida

scholarly journals Linking habitat composition, local population densities and traffic characteristics to spatial patterns of ungulate‐train collisions

2019 ◽  
Vol 56 (12) ◽  
pp. 2630-2640 ◽  
Author(s):  
Karolina D. Jasińska ◽  
Michał Żmihorski ◽  
Dagny Krauze‐Gryz ◽  
Dorota Kotowska ◽  
Joanna Werka ◽  
...  
Keyword(s):  
Spatial Patterns ◽  
Local Population ◽  
Population Densities ◽  
Traffic Characteristics ◽  
Habitat Composition

Hawk kite as potential bird scare device (the case of pigeons and grain processing factory)

2018 ◽  
Vol 8 (2) ◽  
pp. 334-336
Author(s):  
A. V. Matsyura
Keyword(s):  
Spatial Patterns ◽  
Repellent Effect ◽  
Preliminary Results ◽  
Temporal And Spatial Patterns ◽  
Grain Processing ◽  
Feral Pigeons ◽  
Temporal And Spatial ◽  
Bird Behavior ◽  
Hooded Crows

Here we presented the preliminary results of hawk kite usage against the feral pigeons in some grain processing factory. We studied the temporal and spatial patterns of repellent effect and bird behavior. We suggested the feral pigeons gradually increase the level of tolerance towards the hawk kite if no additional repellent measures were undertaken. Moreover, even initially the feral pigeons demonstrate higher tolerance towards the hawk kite compared to the Rooks or Hooded Crows.

Effects of Seed Treatments and a Soil-applied Nematicide on Corn Yields and Nematode Population Densities

2013 ◽  
Author(s):  
Gregory L. Tylka ◽  
Mychele Batista da Silva ◽  
Joel L. DeJong ◽  
Joshua L. Sievers ◽  
Ryan Rusk
Keyword(s):  
Nematode Population ◽  
Seed Treatments ◽  
Population Densities
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