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Common Trees of S.Eastern Pennsylvania.

Common Trees of S. Eastern

       Image     Pennsylvania.



"Pennsylvania" (Latin for "Penn's Woods"). Pennsylvania's location spanning 40 degrees - 42 degrees north latitude and its varied terrain support 108 species of native trees and many other introduced from Europe and Asia. Trees provide a renewable source of lumber, paper, nuts and chemicals. But they are also essential as living filters, removing pollution from the air we breath and the water we drink. Trees provide homes and food for wildlife, and beautify our homes with comforting shade in summer and shelter from winter winds. With wise management, forests can produce these benefits for future generations as they have in the past.


If you cut a tree down, please replace it.....Image

 Towards the middle of the page is the index to the photos...Not all pictures have been up-loaded..but will be soon. Keep checking back.



 Leaves: A chemical compound in leaves called chlorophyll strongly absorbs radiation in the red and blue wavelengths but reflects green wavelengths. Leaves appear "greenest" to us in the summer, when chlorophyll content is at its maximum. In autumn, there is less chlorophyll in the leaves, so there is less absorption and proportionately more reflection of the red wavelengths, making the leaves appear red or yellow (yellow is a combination of red and green wavelengths). The internal structure of healthy leaves act as excellent diffuse reflectors of near-infrared wavelengths. If our eyes were sensitive to near-infrared, trees would appear extremely bright to us at these wavelengths. In fact, measuring and monitoring the near-IR reflectance is one way that scientists can determine how healthy (or unhealthy) vegetation may be. 


Water: Longer wavelength visible and near infrared radiation is absorbed more by water than shorter visible wavelengths. Thus water typically looks blue or blue-green due to stronger reflectance at these shorter wavelengths, and darker if viewed at red or near infrared wavelengths. If there is suspended sediment present in the upper layers of the water body, then this will allow better reflectivity and a brighter appearance of the water. The apparent colour of the water will show a slight shift to longer wavelengths. Suspended sediment (S) can be easily confused with shallow (but clear) water, since these two phenomena appear very similar. Chlorophyll in algae absorbs more of the blue wavelengths and reflects the green, making the water appear more green in colour when algae is present. The topography of the water surface (rough, smooth, floating materials, etc.) can also lead to complications for water-related interpretation due to potential problems of specular reflection and other influences on colour and brightness.




Wide and Flat:
Alternate Arrangement Wide and Flat:
Opposite Arrangement Needle-shaped or Linear


Helpful Sites:

http://www.scsc.k12.ar.us/GarrettT/lesson.htm-lesson plan

wwww.butler.edu/herbarium/treeid/treeparts.html -leaves

eb.utk.edu/~grissino/trees.htm -trees on the web

http://www.oplin.org/tree-What tree is it?

National Geographic Coloring Book Monarch Butterfly Picture.

http://www.kidsturncentral.com/-For fun



Can anyone tell me what this is?

Discription: Butterfly-like bee or related to the hummingbird?   e-mail me at ramagej@hotmail.com



                      Image       BOOK TALK          

"A Field Guide to Trees of North America"
By:  C.Frank Brockman

"An Instant Guide to Trees"
By: Lawrence and Fitzsimons

"Wild Flowers"
By: Zim and Martin

"Field Book Of American Wild Flowers"
By: F.Schuyler Mathews

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Pictures and Information can be found in the Photos section.  Image



Cucumbertree Magnolia
Black Gum
Common Sassafras
Bigtooth Aspen
Quaking Aspen
American Beech
Paper Birch
Sweet Birch
Yellow Birch
Black Cherry
Choke Cherry
Pin Cherry
American Elm
Slippery Elm
Common Hackberry
American Linden
Red Mulberry
Black Oak
Northern Red Oak
Pin Oak
Scarlet Oak
Chestnut Oak
White Oak
American Chestnut
Tulip Tree
Black Willow
Witch Hazel
Black Locust
Common Honeylocust
Bitternut Hickory
Mockernut Hickory
Pignut Hickory
Shagbark Hickory
Tree Of Heaven
Black Walnut
Flowering Dogwood
Norway Maple
Red Maple
Silver Maple
Striped Maple
Sugar Maple
Box Elder
White Ash
Black Ash
Eastern Hemlock
Eastern RedCedar
Blue Spruce
Norway Spruce
Red Pine
Scots Pine
Tamarack/European Larch on the school papers, but the name is American Larch 
Virginia Pine
Pitch Pine
Eastern White Pine

Osage Orange (Monkey Ball Tree)

American Birch






Eastern Hemlock
Eastern RedCedar
Blue Spruce
Red Pine
Scotch Pine
Eastern White Pine
Tamarack (European Larch) 


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