Disturbance effects Physiology Stress Energetics Body condition Behavior Movement Habitat use Fitness Mortality Reproductive success Genetics Effects of Disturbance Fitness Effects No Fitness Effects ID: 269608
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Slide1
What is disturbance?Slide2
Disturbance effects
PhysiologyStressEnergeticsBody conditionBehavior
MovementHabitat useFitnessMortalityReproductive successGeneticsSlide3
Effects of Disturbance
Fitness Effects
No Fitness Effects
Fitness EffectsNo Fitness Effects
Fitness EffectsNo Fitness EffectsSlide4
Complications
Indirect effectsCumulative effectsLack of informationSlide5
Bird song
Slabbekoorn
and Peet (2003)Slide6
Taylor and Knight (2003)Slide7
González
et al. (2006)Slide8
Müllner
et al. (2004)Slide9
Banks and Bryant (2007)Slide10
Woods et al. (2003) - UKSlide11
Garber and Burger (1995)Slide12
Key Aspects of Wildlife Conservation
Food +
Cover +Water +“Space”
= Carrying CapacitySlide13
Carrying capacitySlide14
100 Marmots
50 will die over the winter(K=50)
10 predation10 starvation10 disease10 trapping
10 fall off rocks
50 will die over winter(K=50)0 predation
13 starvation14 disease13 trapping10 fall off rocks
40 will die over winter
0 predation10 starvation10 disease10 trapping
10 fall off rocks
(K, now = 60)
Compensatory
Additive
© Michael GoreSlide15
Hunting Statistics
In the U.S., 12.5 million people huntThey generate $23 billionIn Vermont, 73,000 hunters(In-state + out of state)They generate $190 million
Data from:
http://www.census.gov/prod/www/abs/fishing.htmlSlide16
Wildlife Watching
In the U.S., 71.1 million people watch wildlifeThey generate $45.7 billionIn Vermont, 468,000 people watch wildlifeThey generate $122 million
What the…?Slide17
Life History Strategies
Attribute
r-
K-
Reprod. Potential
High
Low
Population size
Variable
Constant
Habitat
Early successional
Mid-late success.
Parental care
Minimal
Extensive
Age-at-first breed.
Young
Older
Juvenile mortality
High
Low
Dispersal ability
Excellent
LimitedSlide18
Considerations
Time of yearSpeciesLife history strategyMobilityHabitatType of disturbanceSlide19
Edge Effects