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Management Based Grasshopper
Ecology Information
The information in this section summarizes ecological insights
relevant to integrated pest management (IPM) activities on
rangeland and all of the following links are from the IPM Handbook. These articles describe the relationships between
grasshoppers and vegetation, grasshopper outbreaks and weather
patterns, habitat manipulation to reduce grasshopper outbreaks,
population regulation in grasshoppers and grasshopper outbreaks.
Grasshoppers and Vegetation
Relationships Between Grasshoppers and
Vegetation Communities -
Anthony Joern, William P. Kemp, Gary E. Belovsky, and Kevin
O’Neill
Important links exist between grasshoppers and the vegetation
community. Vegetation communities provide the backdrop against which
all grasshopper activities occur and determine the availability and
distribution of all resources required by grasshoppers. A summary of
the insights relevant to integrated pest management (IPM) activities
on rangeland.
Host
Plant Quality and Grasshopper Populations - Anthony Joern
Understanding how grasshopper populations respond to food
availability and quality may contribute critical components to
models predicting outbreaks.
Environmental Factors That Affect Plant Quality -
Anthony
Joern
Answers to how grasshopper food resources vary in time and space
will provide important insights to aid in both forecasting
grasshopper population change and formulating appropriate management
strategies.
Nutritional Needs of Grasshoppers and Control of Feeding -
Anthony Joern
Grasshopper Outbreaks and Weather Patterns
Recognizing and Managing Potential Outbreak Conditions -
G.
E. Belovsky, J. A. Lockwood, and K. Winks
Understanding the ecological processes and events that produce
these outbreaks is necessary for pest managers to be able to
forecast outbreak events and design better management strategies.
Grasshopper Communities and
Methodology - Anthony Joern
Grasshopper Population
Regulation - G. E. Belovsky
Variability in the response to weather suggests that grasshopper
populations may respond to other factors that are correlated with
weather and not to the weather directly (for example, the abundance
and nutritional value of food, the cover providing protection from
predators, diseases, etc.).
Population and Habitat Regulations
Grasshoppers-Plus and Minus:
The Grasshopper Problem on a Regional Basis and a Look at Beneficial
Effects of Grasshoppers -
G. E. Belovsky, A. Joern,
and J. Lockwood
Grasshopper Habitat Manipulation -
G. E. Belovsky, M. A.
Brusven, D. J. Fielding, and L. Manske
Habitat manipulations have not been adequately investigated as a
viable pest-management strategy for grasshoppers, but manipulations
may have great potential to reduce grasshopper-caused damage with
fewer negative impacts on the environment.
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