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7 Cards in this Set
- Front
- Back
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Herbivore response to landscape attributes |
●Domestic Animal Drives •Thirst •Ambient temp •Energy balance or hunger •time of day •Rumination, rest, social facilitation and sleep ●Drives with higher priority that override drive to graze: •Need for water •Mitigation of heat extremes |
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What determines where an animal grazes in planted pasture? |
•Patch grazing •Dung Fouling •Location of water and supplements •Shade |
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What determines where an animal grazes in extensive rangeland ? |
•Landscape boundaries •Distribution of plant communities •Accessibility and distribution of water, shade, bedding sites |
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Attributes of the sword that affect harvesting by animal include: |
•Mass •Canopy height •Canopy density •Species •Spacial arrangement of spp. •Chemical comp. Of selected parts •Plant parts within canopy. •Plant part proportions |
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Compensatory photosynthesis |
Ability of mature leaves to rejuvinate their photosynthetic capacity to that of younger leaves |
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Phenotypic plasticity |
Long term response to defoliation stress and refers to changes in •size •structure •spatial arrangement of plant organs |
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Threading and its indirect effects |
Hoof action of herbivores. Indirect effects: •Increased soil bulk density •Influenced by soil texture •Decrease water infiltration |
