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| Chat - Thursday September 10, 2009; As Summer Sllips Away .... | |
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| Tweet Topic Started: Sep 10 2009, 03:36 AM (1,225 Views) | |
| Harpo516 | Sep 10 2009, 03:36 AM Post #1 |
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eaglepedia revisited October 27, 2007 Taking a look at the food chain - Part II Into The Wild - Biologists are just learning how far reaching the nutrients from the adult salmon can be. The inland ecosystem, far away from the river will be touched thru the Black and Grizzly Bears who capture the dying salmon, drag their bodies ashore away from the stream, feed on only part of the carcass, leaving the rest to be eaten by others including birds, mammals and insects. The urine and feces of the bears then carries the salmon biomass further into the woods, far away from the area where the salmon spawned and died. Birds and bats will also feed upon the insects that enjoyed their share of the salmon remains, which in turn further spread this bounty. From Sea to Stream - A naturally occurring isotope of nitrogen, found in marine algae, help scientists evaluate the distribution of the salmon nutrients as it passes thru the food chain. This isotope occurs in marine algae and is further concentrated in the animals that feed upon it. Some of these plankton eating organisms then become a meal for the salmon while they are at sea and upon returning to the freshwater to spawn, they are carrying this stable isotope with them in their body tissue. Biologists have learned to read the "signature" of this compound and have been finding this nutrient of oceanic origin in places far from the sea. As young salmon work their way downstream, they seek out cool, shaded pools. Alders, maples, and spruce trees growing along the stream banks spread their branches over the water, providing this shade. Studies have detected, within the tissues of the trees' leaves and needles, molecules of nitrogen bearing the telltale signature of the open ocean, delivered upriver by salmon and now helping to provide cool shelter for the next generation. http://www.enature.com/articles/detail.asp?storyID=507 ![]() ![]() Visit Eaglepedia DISCLAIMER: Information here has been gathered in good faith from the internet and cannot be guaranteed to be totally accurate. |
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| Naturegal | Sep 10 2009, 04:25 AM Post #2 |
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| Harpo516 | Sep 10 2009, 04:32 AM Post #3 |
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| Naturegal | Sep 10 2009, 04:34 AM Post #4 |
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SD ZOO BUDDIES......... ![]() ONE BIG BOY............................................................TWO MULE DEER WITH ELEPHANTS............. ![]() MOM AND PRECIOUS BABY.................................... ![]() HAVING A FUN TIME............................................. ![]() TIME TO GO FOR A SWIM.............................................................SO REFRESHING............. Polar bear pics are from last week as the cam will be down until October due to zoo renovations to the polar bear enclosure. |
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| Topa Topa Hikers | Sep 10 2009, 05:35 AM Post #5 |
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I'm going to Santa Cruz Island for the day. ![]() I'll post photos asap...
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| cdn-cdn | Sep 10 2009, 05:56 AM Post #6 |
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Hello, everybody. Topa, safe journey, hope you get to see K-10 and/or K-26. Will be looking forward to seeing your photos. Have fun on your adventure. Polar bear cam down, bummer. Deb, those are super eagle photos in your eaglepedia post. Flooring guy is here and is taking off the baseboards. Let the chaos begin...... my stomach is in knots but I think he will be careful. He's always been given positive comments from previous customers. House looks weird, all the appliances are in the front hall. Brynn is freaked out. |
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| cdn-cdn | Sep 10 2009, 05:59 AM Post #7 |
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The monarchs are on the move ...... click on photo for migration maps and lots of information.
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| Harpo516 | Sep 10 2009, 06:20 AM Post #8 |
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love the swim photo LOL have a great hike Topa - looking forward to photos and hope you get an "eagle" welcome when you get there! |
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| Naturegal | Sep 10 2009, 06:26 AM Post #9 |
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Topa - Have a splendid day and hope you get to see our special eagle couple. Cheryl - Great article on the Monarch migration, they are so beautiful. Earlier this morning I was watching the whoopers all integrated into one group in front of the pen. It took 4 OM people to monitor them. One of the adults tried to peck at a juvie but was quickly given the no-no by the OM helper. It's really interesting to see them all together. |
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| Artsy Mom | Sep 10 2009, 07:10 AM Post #10 |
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CruzersHave fun on your hike today Topa. I'm sure you will return with some great sThanks for the Monarch Migration story Cheryl It truly is a miracle of nature as is the Hummer migration twice every year. The mind boggles ![]() Carole your polar bear screencaps are fun no matter how 'old' they are
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| Harpo516 | Sep 10 2009, 07:11 AM Post #11 |
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ok it's 11 AM and I've put off work long enough - bad Deb bad maybe I should get busy and at least look like I've done something LOL
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| Artsy Mom | Sep 10 2009, 07:14 AM Post #12 |
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Hummer of the Day![]() Image by Mike Inman Will this be one of the stretching moves in your Svaroopa yoga class Laurie?
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| Artsy Mom | Sep 10 2009, 07:45 AM Post #13 |
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Topa is DD still considering a cupcake wedding cake? I just found this image along with some others on this recipe site.... ![]() Click on image ![]() |
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| lmorton2001 | Sep 10 2009, 08:08 AM Post #14 |
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Those are darling owl cupcakes, Penny! |
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| Artsy Mom | Sep 10 2009, 08:15 AM Post #15 |
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Bai Yun has left the den taking her Baiby with her ![]() Cam has gone to another area....Wonder why she did that????
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8:48 AM Jul 13