Ad
related to: where is black oak found in the world map of illinois free printable
Search results
Results From The WOW.Com Content Network
Quercus velutina (Latin 'velutina', "velvety") , the black oak, is a species of oak in the red oak group (Quercus sect. Lobatae), native and widespread in eastern and central North America. It is sometimes called the eastern black oak. [4] Quercus velutina was previously known as yellow oak due to the yellow pigment in its inner bark.
Map of oak savanna distribution in North America. Although there are pockets of oak savanna almost anywhere in North America where oaks are present, there are three major oak savanna areas: 1) California, British Columbia, Washington and Oregon in the west; 2) Southwestern United States and northern Mexico; and 3) the prairie/forest border zone of the Midwestern United States.
The northeastern portion of the wildlife area is Hooper Branch Savanna Nature Preserve, the largest single tract of oak savanna remaining in Illinois. The dominant oak tree is the black oak, often found on relatively infertile, sandy ground. Prairie forbs include the blazing star and hairy puccoon.
The current oak–hickory forest includes the former range of the oak–chestnut forest region, which encompassed the northeast portion of the current oak–hickory range. When the American chestnut population succumbed to invasive fungal blight in the early 20th century, those forests shifted to an oak and hickory dominated ecosystem.
A study published in 2008 found 393 species within the preserve. [2] Areas of savanna and forest are characterized by black oak and blackjack oak, with some mockernut. [1] In a 2015 research and inspection fan-out, arborists discovered the first example of dwarf chinkapin oak identified in Illinois. [4]
An estimated 31% of the world's oak species are threatened with extinction, while 41% of oak species are considered to be of conservation concern. The countries with the highest numbers of threatened oak species (as of 2020) are China with 36 species, Mexico with 32 species, Vietnam with 20 species, and the US with 16 species.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
California Valley oak woodland holds valley oak (Quercus lobata), California sycamore (Platanus racemosa), black walnut (Juglans nigra), California boxelder, and Fremont cottonwood (Populus fremontii). This woodland can be found between 500 and 1700 meters above sea level. The soils are deep and made from alluvium. [citation needed]