OCR A-Level Biology Populations and Sustainability(2) Summary
5 views 0 purchase
Course
Unit 6
Institution
OCR
Handwritten Summary by an Oxford Medical Student which covers all content necessary for an A* in Populations and Sustainability at OCR Biology A-Level.
Control of human activities Par promote eco-tourism/economic
authority conservation
:
->
,
success
Animals present natterjack toads bats red deer and endangered Vendace fish
Water voles
:
, , ,
plants present arctic-cupine plants dwarfj uniper dwarf willow and the carnivorous sundew
:
,
,
Control of human activities Active management by part authority
:
and woodlands
Ecosystem :
Savannah with rich
grasslands acacia
farming Semi-nomadic tribes
grazing livestock frequently so the ground recovered
with moved
:
·
Grazing is now limited to the edge of the reserve preventing soil erosion
Grassland has been converted to cropland
depleting soil nutrients fertilisers needed
·
->
are
Ecotourism Aims to :
ensure tourists respect the environment and locals are consulted
↳ Still has due to
negatives such as soil erosion
hiking
Conservation
Rangers prevent illegal poaching of endangered species i.e black rhino
:
.
↳ Research can be conducted into the animals and the
ecosystem .
Human influence : Land Legal hunting
fencing against elephants to maintain populations
Livestoch be threatened diseases wildlife
may by in
migratory
·
Ecosystem :
Subtropical forest with rich
biodiversity
Forest
Managements Community forestry groups coordinate to make agriculture sustainable
:
↳ increased conservation soil and water
management and biodiversity economic growth
, ,
Sustainable
agriculture Move farmlands to mountain
regions away from the terai
:
Ecosystem :
Material is prevented from
decomposing dre to anaerobic conditions
have diminished
Loss of Ecosystem
:
Peat bogs in the Un
by 90% in the last 60-100
years
Benefits of peat bogs contribute flood management erosion and
to control carbon
storage
:
,
Conserving surface is undisterbed and as wet as
by fencing
peat bogs Ensuring the possible
:
·
Remove seedling trees to decrease competition
controlled
use
grazing to maintain
biodiversity
·
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller faithcortis. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $3.92. You're not tied to anything after your purchase.
