natr 2050 forests & deforestation

Haiti & deforestation examples

haiti originally covered in forest. but in 20th cent, COMMERCIAL LOGGING & RUBBER PLANTATIONS deforested haiti.

Haiti & deforestation impacts (4)

EROSION (nutrientless soil)

NO TREES = FLOODING

SEDIMENT FILLED WATER

NO REEFS

values from forests

what do forests serve? Forests prevent floods, provide clean water, recreation, & inspiration

• AIR/WATER quality

• CARBON DIOXIDE

• recreation

• aesthetic beauty

• food

ecosystem services

supporting- biodiversity, habitat, soil

provisioning- water, food, meds

cultural- aesthetic, education, recreation

regulating- flood control, water/air control, pollination

What causes deforestation? (4)

AGRICULTURE

OVERharvesting

ROAD & CITY building

POOR POLICIES

definition of forest degredation

when changes in forest structure and composition diminish biodiversity or ecosystem services

what causes forest degredation? (4)

LOGGING

AGRICULTURE

ROADS & CITIES

INVASIVE SPECIES

sustainable forest management definition

preserving forests w/ minimal human use, and also plantation forests intensely managed for producing wood & fiber

sustainable forest management techniques examples

• Forest corridors (corridors of forest provide migration routes for forest species)

• Montreal Criteria & indicators

CSS example that addresses deforestation

Environmental POLICY!!!!! can be used to create laws that regulate how much forest can be used for logging and such. Policies that require replanting of trees after logging is also a good idea

examples of sustainable biomaterials

how sustainable biomaterials are used