Oak–hickory forest is a type of
North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
n forest ecosystem, and an
ecoregion
An ecoregion (ecological region) or ecozone (ecological zone) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm. Ecoregions cover relatively large areas of l ...
of the
Temperate broadleaf and mixed forests
Temperate broadleaf and mixed forest is a temperate climate terrestrial habitat type defined by the World Wide Fund for Nature, with broadleaf tree ecoregions, and with conifer and broadleaf tree mixed coniferous forest ecoregions.
These fo ...
Biome
A biome () is a biogeographical unit consisting of a biological community that has formed in response to the physical environment in which they are found and a shared regional climate. Biomes may span more than one continent. Biome is a broader ...
.
Geography
It has a range extending from
Rhode Island
Rhode Island (, like ''road'') is a U.S. state, state in the New England region of the Northeastern United States. It is the List of U.S. states by area, smallest U.S. state by area and the List of states and territories of the United States ...
and southern
New York, west to
Iowa
Iowa () is a state in the Midwestern region of the United States, bordered by the Mississippi River to the east and the Missouri River and Big Sioux River to the west. It is bordered by six states: Wisconsin to the northeast, Illinois to the ...
, and south to Northern
Georgia
Georgia most commonly refers to:
* Georgia (country), a country in the Caucasus region of Eurasia
* Georgia (U.S. state), a state in the Southeast United States
Georgia may also refer to:
Places
Historical states and entities
* Related to the ...
. Smaller, isolated oak–hickory communities can also be found as far west as
North Dakota
North Dakota () is a U.S. state in the Upper Midwest, named after the Native Americans in the United States, indigenous Dakota people, Dakota Sioux. North Dakota is bordered by the Canadian provinces of Saskatchewan and Manitoba to the north a ...
, south in
Florida
Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...
and in northeast
Texas
Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...
, and north to southern
Maine
Maine () is a state in the New England and Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and north ...
and
Ontario
Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central Ca ...
. They can also be found in Pennsylvania west to Illinois.
Dominated by nut-bearing
oak
An oak is a tree or shrub in the genus ''Quercus'' (; Latin "oak tree") of the beech family, Fagaceae. There are approximately 500 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably ''L ...
and
hickory
Hickory is a common name for trees composing the genus ''Carya'', which includes around 18 species. Five or six species are native to China, Indochina, and India (Assam), as many as twelve are native to the United States, four are found in Mexi ...
species of trees, the oak–hickory forest has the largest range of any deciduous forest ecosystem in eastern and central North America.
Natural history
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
The American chestnut (''Castanea dentata'') is a large, fast-growing deciduous tree of the beech family native to eastern North America. As is true of all species in genus Castanea, the American chestnut produces burred fruit with edible nuts. ...
population succumbed to invasive fungal blight in the early 20th century, those forests shifted to an oak and hickory dominated ecosystem.
Biota
Key indicator tree and shrub species of the oak–hickory forest include
red oak
The genus Oak, ''Quercus'' contains about 500 species, some of which are listed here. The genus, as is the case with many List of the largest genera of flowering plants, large genera, is Taxonomic rank#Ranks in botany, divided into subgenus, subgen ...
,
black oak
Black Oak may refer to:
Places in the United States
* Black Oak, Arkansas
* Black Oak, Daviess County, Indiana
* Black Oak, Lake County, Indiana, a neighborhood of Gary, Indiana
* Black Oak, Missouri
Other
* Black Oak Arkansas
Black Oak Ar ...
,
scarlet oak
''Quercus coccinea'', the scarlet oak, is a deciduous tree in the red oak section ''Lobatae'' of the genus ''Quercus'', in the family Fagaceae.
It is primarily distributed in the central and eastern United States. It occurs on dry, sandy, usuall ...
,
white oak
The genus ''Quercus'' contains about 500 species, some of which are listed here. The genus, as is the case with many large genera, is divided into subgenera and sections. Traditionally, the genus ''Quercus'' was divided into the two subgenera ''C ...
,
Chestnut oak (''Quercus prinus''),
Pignut hickory (''Carya glabra''),
Bitternut hickory (''Carya cordiformis''),
Shagbark hickory (''Carya ovata''),
flowering dogwood (''Cornus florida''),
blueberry
Blueberries are a widely distributed and widespread group of perennial flowering plants with blue or purple berries. They are classified in the section ''Cyanococcus'' within the genus ''Vaccinium''. ''Vaccinium'' also includes cranberries, bi ...
,
Mountain laurel (''Kalmia latifolia''), and
hawthorn
Hawthorn or Hawthorns may refer to:
Plants
* '' Crataegus'' (hawthorn), a large genus of shrubs and trees in the family Rosaceae
* ''Rhaphiolepis'' (hawthorn), a genus of about 15 species of evergreen shrubs and small trees in the family Rosace ...
.
Bird and animal species include the
gray squirrel Gray squirrel or grey squirrel may refer to several species of squirrel indigenous to North America:
*The eastern gray squirrel (''Sciurus carolinensis''), from the eastern United States and southeastern Canada; introduced into the United Kingdom, I ...
,
flying squirrel,
chipmunk
Chipmunks are small, striped rodents of the family Sciuridae. Chipmunks are found in North America, with the exception of the Siberian chipmunk which is found primarily in Asia.
Taxonomy and systematics
Chipmunks may be classified either as ...
,
blue jay
The blue jay (''Cyanocitta cristata'') is a passerine bird in the family Corvidae, native to eastern North America. It lives in most of the eastern and central United States; some eastern populations may be migratory. Resident populations are a ...
, and
wild turkey
The wild turkey (''Meleagris gallopavo'') is an Upland game bird, upland ground bird native to North America, one of two extant species of Turkey (bird), turkey and the heaviest member of the order Galliformes. It is the ancestor to the domestic ...
.
References
* Cronin, William. ''Changes in the Land: Indians, Colonists, and the Ecology of New England''. Hill and Wang, New York, 2003.
* Kricher, John. ''A Field Guide to Eastern Forests''. Houghton-Mifflin, Boston, 1998.
* "Percent of Forests in Oak-Hickory Groups, 1992." Map,
United States Department of Agriculture
The United States Department of Agriculture (USDA) is the United States federal executive departments, federal executive department responsible for developing and executing federal laws related to farming, forestry, rural economic development, ...
, 1992.
Temperate broadleaf and mixed forests in the United States
Ecoregions of the United States
Plant communities of the Eastern United States
Flora of the Eastern United States
Plant communities of Kentucky
Plant communities of North Carolina
Plant communities of Ohio
Plant communities of Pennsylvania
Plant communities of South Carolina
Plant communities of Tennessee
Plant communities of Virginia
Plant communities of West Virginia
Ecology of the Appalachian Mountains
Flora of the Northeastern United States
Flora of the Southeastern United States
Flora of Eastern Canada
Flora of the Appalachian Mountains
Flora of Ontario
Forest ecology
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