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Forests, agricultural lands can reduce global warming?

Posted on janvier 17th, 2007 by Globalwarming awareness2007.
Categories: globalwarming.

Forests, agricultural lands, and other terrestrial ecosystem offer significant carbon mitigation potential. Although not necessarily permanent, conservation and sequestration of carbon may allow time for other options to be further developed and implemented.

Awareness2007 of Forests destruction

We have awareness of biological mitigation can occur by three strategies:

  1. conservation of existing carbon pools,
  2. sequestration by increasing the size of carbon pools,
  3. substitution of sustainably produced biological products, e.g. wood for energy intensive construction products and biomass for fossil fuels.

Conservation of threatened carbon pools may help to avoid emissions, if leakage can be prevented, and can only become sustainable if the socio-economic drivers for deforestation and other losses of carbon pools can be addressed. Sequestration reflects the biological dynamics of growth, often starting slowly, passing through a maximum in 2007, and then declining over decades to centuries.

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Awareness about Animals and Plants Adapting to Global warming .

Posted on janvier 17th, 2007 by Globalwarming awareness2007.
Categories: globalwarming.

 Marmot and global warming awarness in 2007

  • Land animals

Reindeer are expected to disappear from large portions of their current range by the end of the century.

Marmots are ending their hibernations about three weeks earlier than they did 30 years ago.

Canadian red squirrels are breeding about 18 days earlier.

Red foxes are spreading northward, encroaching on territory normally occupied by their artic cousins.

North American Fowler’s toads are breeding six days later than they did a decade ago.

Polar bears today are thinner and less healthy than those of 20 years ago.

  • Sealife

Coral reefs around the world are predicted to increase by up to a third in size.

Elephant seal pups are leaner because their prey is migrating to cooler waters.

Loggerhead sea turtles are laying their eggs about 10 days earlier than they did 15 years ago.

Rising temperatures are influencing the sex of Hawkbill turtle hatchlings, with more females than males being born.

Tidal organisms like rock barnacles, mollusks, and tidal snails commonly found in warm southern waters are moving northward.

Many fish species are moving northward in search of cooler waters.

  • Birds

The diet of some songbirds are changing, with some avoiding insects that consume leaves exposed to high levels of carbon dioxide.

North American tree swallows are laying their eggs about nine days earlier than they did 40 years ago.

Common murres are breeding 24 days earlier than they did a decade ago.

  • Plants

Some plants are thriving in areas where their growth was limited before, thanks to temperature changes that provide more water, heat and sunlight.

American flowering plants like columbines and wild geraniums are blooming earlier than before.

  • Insects

Edith’s checkerspot butterflies are moving northward in search of cooler temperatures.

A gene in the fruitfly Drosophila normally associated with hot, dry conditions has spread to populations living in traditionally cooler southern regions.

 

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