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Flashcards in Week 6 Deck (26)
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1

What percent of all organisms are insects

70%

2

how do insects dominate the world as we know it

plant reproduction, major diet items for frogs and lizards, pollinate 1/3 of the food humans depend on

3

T or F: insects lived through the last mass extinction

T

4

why did insects live through past extinctions?

very resillient, can always retreat to a refuge, can adapt on site

5

what are the six themes for conservation?

Philosophy, Research, Policy, Psychology, Practice, Validation

6

What is philosophy

Insects have intrinsic value, ecosystem services, look after insects they will look ager us

7

What is "research"

discovery of new information, need to understand environmental conditions

8

What is species level insect conservation

perserve individuals of a species, understanding metapopulations

9

What is landscape level insect conservation

conserving good quality landscapes will benefit many insect species

10

what is policy for insect conservation

IUCN red list, red list not a priority or political document

11

what are the main threats to insects

habitat loss due to logging, agriculture, transportation

12

what is insect conservation psychology

understanding human behaviour, promoting wellbeing and increasing human care for nature

13

what is insect conservation in practice

based on good research and sound knowledge sense, response to well informed policy, reserves,

14

what is "validation"

needing to understand goals and shortfalls and putting in place a new goal

15

what is an extinction vortex?

forces affecting small populations that cause them to spiral into a vortex of increasingly smaller populations and endanger their long-term survival.

16

what do they think caused the 2017-2018 decline of western monarch butterflies

late rainy season across california, severe wildfires

17

what are some causes of long term declines of western monarch butterflies

climate and land use factors, pesticide use, overwintering habitat loss

18

what are steps for conservation for western monarch butterflies

protect overwintering sites, protect monarch, protect from pesticides, protect during early spring

19

___% of wild plants and ___% of birds rely on insects

80, 60

20

what are possible reasons for grassland butterfly decline

climate change, habitat loss, fragmentation, habitat deterioration

21

In the paper by Hellmann et al, what were their methods

Malaise straps deployed spring-fall at 63 locations between 1989 and 2016

22

Insect biomass was positively related to _______ and negatively to _______

temperature, precipitation

23

Warming is expected to ______ insect biomass

increase

24

Insect declines significant in what season

summer

25

Overall in the paper there was abouta ____ percent decline

75

26

T or F: invertebrate decline exceeds vertebrates

T