Learning Targets “I can...” -Identify habitat fragmentation as having the most negative impact on biodiversity. -Define “deforestation” and its impact.

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Presentation transcript:

Learning Targets “I can...” -Identify habitat fragmentation as having the most negative impact on biodiversity. -Define “deforestation” and its impact on biodiversity. -Give examples of events that destroy habitats and offer alternative solutions to those events. -Simulate how the number of species on habitat islands is affected by the area effect and the distance effect; closer and larger islands to the source population have more species.

Habitat Islands How do the size and distance of habitat islands affect species diversity?

Life Sciences - HHMI Outreach. Copyright 2010 President and Fellows of Harvard College Habitat loss is due to: Conversion of natural areas to farms, houses, etc Fragmentation of ecosystems by human activities, housing, transportation, agriculture etc. Simplification of genetic diversity and complex ecosystems by planting/selecting monocultures. Habitat loss is the greatest reason for biodiversity loss.

Traditional Islands

Relationship Between Size and Species Diversity

What is a Habitat Island? Natural habitats fragmented by human activities Habitats that are surrounded by a different type of habitat Animals and plants are often confined to their habitat island because the surrounding habitat is much like an unswimmable ocean

Habitat Islands in West Milton

Make Your Prediction

References %2CHPNN%3Aen&q=map+of+cubahttp:// %2CHPNN%3Aen&q=map+of+cuba pKONhIqO8/TBhka9HKzDI/AAAAAAAAAXk/s11doxJMdkg/s1600/fr agmentations.jpg&imgrefurl= ethologist.blogspot.com/&usg=__i_Mzi5lhhx41L1YBF_hHXp1eLns= &h=480&w=702&sz=88&hl=en&start=0&zoom=1&tbnid=DDTEi_tSa rNYXM:&tbnh=105&tbnw=154&prev=/images%3Fq%3Dhabitat%2Bf ragmentation%26um%3D1%26hl%3Den%26sa%3DN%26rls%3Dco m.microsoft:en-us:IE- SearchBox%26rlz%3D1I7HPNN_en%26biw%3D1003%26bih%3D5 37%26tbs%3Disch:1&um=1&itbs=1&iact=hc&vpx=273&vpy=221&d ur=78&hovh=186&hovw=272&tx=179&ty=77&ei=0XemTPfpCMOAl AfQ35EY&oei=gXamTLb4AcH58AbGyfD3AQ&esq=6&page=1&nds p=15&ved=1t:429,r:6,s:0:1&um=1&itbs=1&iact=hc&vpx=273&vpy=221&d ur=78&hovh=186&hovw=272&tx=179&ty=77&ei=0XemTPfpCMOAl AfQ35EY&oei=gXamTLb4AcH58AbGyfD3AQ&esq=6&page=1&nds p=15&ved=1t:429,r:6,s:0