Landscape analysis
15 important questions on Landscape analysis
What are landscape characteristics?
- Types of habitats, amounts, patch size
- Degree of isolation/ framentation
What are species charasteristics?
- Foraging behaviour and range
- Feed and specialization
What is the importance of habitat configuration?
- How does a species 'experience' landscape, is movement and dispersal possible?
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What can he helpful in analysis of spatial coherence?
What is a graph?
What is a spanning tree?
What is a minimum spanning tree?
What is the special coherence?
What are the 3 steps of spatial coherence/connectivty?
- Largest sub-graph per dispersal distance
- Intergrate for all dispersal distances
What are additional concerns with spatial coherence?
- Size and quality of habitats
- Interactions with hostile matrix
- Typical dispersal ranges of spp
What is pes suprestion potential?
- Natural enemies (insects) for pests by predation or parasitism
- Reduce damage to crops
What are the dangers with potatoes, suger beet and wheat?
What are the dangers with cabbage?
What are fine elements?
- Field margins, flower strips
- Serve for feeding
- Active movement only (0-50 or 75m)
What are the uncertainties of pest suppresion potential?
- From potential to actual suppresion
- Mixture of expert and scientific knowledge
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