Transcript Biodiversity Part 2

Biodiversity!
Emerson Biodiversity
• Field guide
– Any problems or confusion with it?
– How do you tell a crow from a raven?
American Crow
Common Raven
– Need more information
Emerson Biodiversity
• Crows: smaller than raven, longer and thinner beak,
tail shaped like long thin rectangle
• Ravens: bigger than crow, shorter and thicker beak,
tail shaped like wedge
American Crow
Common Raven
Emerson Biodiversity
7
Average number species
6
5
4
Total Species
3
Native Species
2
1
0
1
2
3
Period
4
21 Animal Species Found (10 native)
Birds
Insects
Mammals
Other Invertebrates
Emerson Biodiversity
• Do you think Emerson has high or low
biodiversity?
• Why?
• Do you think we found all the animal species?
• How many are there?
• More native or non-native species?
Emerson Biodiversity
• What is the importance of biodiversity?
– Ecosystem processes and services – water,
climate, oxygen, pollination
– Materials and goods – medicine, wood, food
– Aesthetic, cultural, and recreation value
• What are threats to biodiversity?
– Habitat loss, hunting, non-native or exotic species,
pollution, climate change
Biodiversity Poster
1. Give your poster a title
2. Pick one species to focus on - for that species you need to:
a) Give its common name
b) Give its scientific name
c) State a fact about that species
d) State whether it is native or non-native to California
3. Draw pictures of at least 2 other species that you saw and label them with
their common names
4. Use your field guide and available books to obtain information and pictures
Credits
•
•
Slide 1: http://www-images.warwick.ac.uk/about/environment/faqs/biodiversity.jpg and
http://news.softpedia.com/images/news2/Why-Is-Biodiversity-Essential-for-Human-Life-4.jpg
Slides 2 and 3: both images from http://www.whatbird.com