Sunday, October 11, 2009

Resource Partitioning- Cora Marquez

I walked outside of my apartment this weekend and into the middle of my street. I started walking up and down the sidewalk looking at all the trees lining the road. I found many pieces of evidence that showed other species presence. The tree I observed the most was a old tall tree, I am not sure exactly what kind of tree it was but it was gorgeous. One piece of evidence that I found on the tree were scratches which could have been made by a numerous amount of animals. I also found many bit marks and hole on some of the leaves that were made by insects. The leaves were starting to all so on the ground I was able to notice the marks much closer. There was no wildlife in the tree when I was observing it but I did notice higher in the branches a nest formation. I am not sure if there were still birds that inhabited it but there was at one point. I could account for 2-3 species on this particular tree I found.

Trees In The Quad- Jamie Kolcz, Rima Alsammarae

For this assignment we looked at the trees in the quad. While we were walking through the quad we noticed that there are many different physical characteristics of different species living in the trees. On some of the trees there were birds nests in the branches. On the trunk of the trees there were some scratches that looked like little bugs were inside the bark and trying to eat their way through the bark. On the trunk there was also some bark missing. That might be from the bugs eating their way through and the bark had fallen right off of the tree. Some of the leaves had little holes in them looking like little bugs or caterpillars were trying to eat them. When we looked up into the branches at one point we saw some birds. We can account for at least 2 or 3 species that were living in or on this tree.

Trees :)

For this assignment, we examined a tree outside the street of seminary avenue in Lincoln Park. The first thing we noticed was a squirrel frolicking and playing in the tree. There was most likely a squirrel in the tree as trees are apart of their habitat. We also noticed traces of a nest near the top of the tree. We assumed the nest would be a birds nest. There were holes in the tree that could have been from insects eating away at the tree. We had a hard time finding indicators of species. This could be from a numerous amount of things, for example the fact that the seasons are changing and there are not as many insects and wild life out as in the summer.
xoxo
cc and ss
Courtney Carlstrom and Sarah Stokke

Resource Partitioning by Grant J. Chun

For the resource partitioning assignment, I went to observe a tree right in front of the Belden Apartment in DePaul's Lincoln Park campus. On this tree, I found 3 different evidences of resource partitioning. First evidence is the birds nest that I saw above the tree. It was a small nest made out of little tree branches. I was fortunate to see a bird actually flying toward the nest and landing on it. Judging by how big the bird was, I speculated that the bird was a mother bird who came back after a long day to take care of her baby birds. The bird was part of resource partitioning because it used the tree as a source of shelter. Second evidence I saw was multiple scratch marks around the bottom trunk area of the tree. The size of the marks were small so I assume that small animals like a squirrel went up and down the tree multiple times. Trees have different resources that sometimes have food for squirrels. Because of this, my reasoning tells me that the squirrel went up the tree for food most likely. The third and final evidence of resource partitioning that I saw from the tree was clipped and broken tree branches on top part of the trees. This shows that it did not occur due to natural means. It was more of a work by people who went up via machinery to chop down unnecessary branches. In conclusion, the 3 evidences I saw were the birds nest, scratched claw marks on the tree, and broken/clipped branches on several parts of the upper branch. For the species, the 3 major species that I believe to have influenced the resource partitioning process are the bird, squirrel/small rodent-like animal, and damage done by humans with the aid of the machine.

Resource Partitioning: Lindsay Bishop and Andrew Chae



The tree we chose to investigate is on Kenmore and Dickens. They are very large trees and we chose them because we thought they might be used by many different animals. Altogether we found four pieces of evidence on the tree of resource partitioning.
The first piece of evidence we saw was a few dark holes or creveses in the trunk that looked like some insecst had been eating away at the tree in those spots.The next piece of evidence we found we both found very interesting. The particular tree we were examining split in to very early creating two large branches. In the middle or the fork of these two huge branches was a what appeared to be another plant growing out of it. However we both thought that this could be a part of the same tree and just a new growth. Weather or not it is the same organism or not we assumed that it was using the bigger tree of some nutrients.
The third piece of evidence we found were some sort of scratch or discoloration on the bark of the tree. It looked as if something was peeling the bark of the tree. We thought the might have been caused by squirrels scurrying up the tree while they collected nuts. We had noticed a lot of squirrel out recently and this seemed like a good explanation.
The last piece of evidence we found was a nail in the tree. We saw this a humans using resource partitioning. Altogether i think we could account for four or five different species using the tree as a resource, insects, birds, squirrels and humans.

Resource Partitioning Jaclyn St. Clair & Melissa Kamali

Our tree was located on Belden in front of the DePaul Student Center. On this tree we found three pieces of evidence. We noticed that the bark on the tree was chipped and peeling off in certain spots. From the evidence of the missing bark we could possibly conclude that a bird or squirrel was climbing or clawing at the trees bark. It also could be inferred that the bark is missing because of insect infestation in the tree. Insects could be making a habitat in the tree therefore causing the tree to lose bark. We also noticed that the leaves on the tree were discolored with holes in certain spots. These discoloration and holes could be caused from insect bites which in turn cause the leaves to die and change colors. There were certain branches on the tree that had broken limbs or very bent limbs. This evidence could be attributed to wildlife such as birds or squirrels trying to climb on the branches and breaking the limbs. There were probably four to five species inhabiting the tree. The evidence we saw on the tree from certain species looked damaging to the tree. We were not able to see certain species inhabiting the tree that were not causing harm, however many species that do not cause harm use this tree for their habitat.

Resource Partitioning- Katie Fraser and Meaghan Dries

The tree my partner and I observed was one that is right outside my apartment in Wrigleyville. The tree is located directly in front of my apartment which is behind the field near Clark street. Although it is in an area that is sparsely populated, as far as trees go, there was still evidence of resource partitioning.
One of the most obvious aspects of resource partitioning was a bird next that was in one of the higher branches. It was rather small and looked as though the birds weren’t using it anymore, but that it had once housed a family. The nest was made from feathers, twigs, and bark from the tree.
This explains a bit of the loss of bark on the tree. However, it also looked as though the bark had been touched my insects. There were a few trails down the backside of the tree, and bumps on the back of some of the leaves as though insects had laid eggs there. Only the leaves on the lower most branch, as those were the ones we could see the best, had these bumps. They have been growths, but some looked as though the edges had been nibbled on.
There was a squirrel nearby in the street, not directly in front of the tree, but could have been in street because we were invading its home. I have also seen squirrels around the tree before as it is right outside my front window.
At the base of the tree there was some moss. This could have developed at the base because the base of the tree is often damp. I know this because the tree is surrounded by dirt, which our upstairs neighbor uses to let her dog relieve herself. There was only a little trace of moss though, so it could have been something else but my partner and I believed it looked like moss and felt soft and spongy like moss.
The last species, if it counts, is the dog. My neighbor lets the dog use the tree as her bathroom area. Although the tree is not the dogs direct environment, the dog uses the tree and alters the environment with its excrement.
Those are a few of the species we saw partaking in resource partitioning at the tree in Wrigelyville.