Geog 5 noes

Geog 5 noes - Geog 5 Notes 15:05:00 ← Conifer Forests •...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Geog 5 Notes 26/01/2009 15:05:00 ← Conifer Forests • Found around 60 degrees N, not in southern hemisphere • Alaska, Canada, Siberia, japan • Alps, rockies • 20-200 cm precipitation ← Flora and Fauna- • Deciduous Siberian pines • Oldest trees- bristlecone pines up to 4000 yrs old • Fire is a key disturbance ← Human impact • Varies enormously (N Canada has fire suppression v. Alps) • Some fire suppression ← Tundra- 8m sq miles • Arctic portions of Eurasia, Canada • Alpine tundra in Rocky mountains, Andres, himalayas, Antarctica • Mean annual temperature= -15 degrees celcius • 5 billion tons of biomass- extremely low • fara and fauna- low artic tundra- small shrubs and low forest canopy • high artic tundra- canopy, • human impact- frost heaving- some areas are very isolated and poor, not many people. ← Climate change- arctic ice caps are melting ← Ice- albedo feedback loop- ← 1903- took 2 ½ years to get through the ice ← 2008- commercial ships went through the N/W passage in Canada • without the help of ice breakers- change in the biome and human interactions were seeing ←...
View Full Document

This note was uploaded on 11/16/2010 for the course GEOG Geog 5 taught by Professor Martini during the Spring '10 term at UCLA.

Page1 / 5

Geog 5 noes - Geog 5 Notes 15:05:00 ← Conifer Forests •...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online