A bugs life

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A bug’s life: trophic implications of plant invasions. Spafford, Reid, & Lortie

description

Seminar on research by my graduate students on plant-insect interactions.

Transcript of A bugs life

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A bug’s life: trophic implications of plant invasions.

Spafford, Reid, & Lortie

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bugs have friends too

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theory community invasion trophic

methods iPod dust buster contrasts

trophic implicationresearch

interactions pollinators drivers

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integrated community concept

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The sum of all direct and indirect, positive and negative influences which change in a non-proportional manner

along productivity gradients.

net interactions

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wave particle duality

+

-

light community

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keystone

module

non-keystone

module

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+ -

diversity

predator

H

h

L

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disturbanceEICAENERfacilitationfluctuating resource availabilitynovel weaponspropagule pressure

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flip & extend this to invertebrates

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nano with camera

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sweeps

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iPod nanos anewpaired invasive-native

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sweeps, pitfall, & pans

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uninvaded

sweeps, pitfall, & pans

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indicator species analysis

sweeps, pitfall, & pans

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invasive flowering peak

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entire arthropod communities shift – not just herbivoresnow, need to decouple effect & response

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however, given wide shift in all arthropod guilds,subsequent community less resistant

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www.youtube.com/user/metachristopher

www.ecoblender.org

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