WANTED POSTER
Bilbiography:
http://www.arkive.org/yellow-iris/iris-pseudacorus/image-A23767.html
http://en.wikipedia.org/wiki/Iris_pseudacorus
http://www.fs.fed.us/database/feis/plants/forb/iripse/all.html
http://plants.ifas.ufl.edu/node/205
http://www.na.fs.fed.us/fhp/invasive_plants/weeds/yellow-iris.pdf
http://wiki.bugwood.org/Iris_pseudacorus#Habitat_and_Range
http://www.oregon.gov/ODA/PLANT/weeds/Pages/profile_yflagiris.aspx
The yellow iris is a plant with bright yellow or white to cream flowers. Its leafs are shaped like a sword with a gray/blue cast. The plant is native to north africa, western asia and europe. It was introduced to the united states as a decoration plant. For sewage treatment and erosion control. The yellow iris ranges in 41 states. It has escaped cultivation. it turns out that the plant could form dense colonies and impenetratable thickets.
There are many ways to control the spread of the yellow iris. Some are manually and mechannically. One was is to light it on fire although it isnt recommended because native plants cannot adapt to the fire. Another way is by pulling it, But it isnt an option because the size to in such a impacted area. The cost of removing it is expensive because it needs large equipment.
the problem with the yellow iris is that it reduced the carrying - capacity and disrupts ecological relationships. The reward in this case, for gettng rid of the yellow iris is having a greater carrying - capacity and sustained ecological relationships.
The yellow iris is able to live in soils with an acidity of 3.6. It is able to live in soils with a acidity of 3.6-7.7 saline conditions. An extensive period of anoxic conditions. It shows that it has the abibility to tolerate a wide range of conditions. -
There are many ways to control the spread of the yellow iris. Some are manually and mechannically. One was is to light it on fire although it isnt recommended because native plants cannot adapt to the fire. Another way is by pulling it, But it isnt an option because the size to in such a impacted area. The cost of removing it is expensive because it needs large equipment.
the problem with the yellow iris is that it reduced the carrying - capacity and disrupts ecological relationships. The reward in this case, for gettng rid of the yellow iris is having a greater carrying - capacity and sustained ecological relationships.
The yellow iris is able to live in soils with an acidity of 3.6. It is able to live in soils with a acidity of 3.6-7.7 saline conditions. An extensive period of anoxic conditions. It shows that it has the abibility to tolerate a wide range of conditions. -