Lecture 11 - IImpacts on UK wildlife and Ecosystems

Question 1

Plants and lichen abundance has increased by …% in the UK since 1970

Answer 1

20

Question 2

Vertebrate abundance has increased by ..% since 1970

Answer 2

18

Question 3

Invertebrate abundance has reduced by ..% since 1970

Answer 3

39

Question 4

Biggest negative influencer on abundance is .. .. while .. .. biggest positive influence

Answer 4

intensive agriculture

climate change

Question 5

biodiversity intactness compares areas to .. sites

Answer 5

pristine

• few areas >90% intact
• harmed similarly everywehre

Question 6

british taxonomic groups have shifted in … range margins

Answer 6

northern

Question 7

Buxton, Derbyshire is an .. pasture with .. fertility

it originated as an .. .. ..

Answer 7

ancient, low

ancient sheep patiure

Question 8

Wytham, Oxfordshire is a .. pasture which has .. … features

Answer 8

fertile

early successional

Question 9

Wythams precipitation is .. compared to Buxton at ..

Answer 9

680mm, 1300mm

Question 10

Buxton has more perennial .., .. and .. than Wytham

Answer 10

grasses, dicots, sedges

• wytham has no sedges
• Buxton grasses 16, wytham 9
• Buxton dicots 46, wytham 31

Question 11

buxton shown .. change than wytham

in conditions of +..C winter temperature and +..% enhanced precipitation

Answer 11

less
3, 20%

• more fertile systems, short-lived are more responsible to climate change
• drought seasons july-august
• alter seasons june-september

Question 12

PCA is .. .. ..

Answer 12

principle component analysis

-summraises plant community composition

Question 13

tensioned landscape disturbances may trigger a .. .. for new species

Answer 13

sudden shift

-e.g. extreme weather allowing new species to establish