| 词条 | Heron Pond – Little Black Slough Nature Preserve |
| 释义 |
| name = Heron Pond – Little Black Slough Nature Preserve | alt_name = | iucn_category = | photo = Heron Pond in Cache River State Natural Area.jpg | photo_alt = | photo_caption = Heron Pond | photo_width = | map = USA Illinois | map_alt = | map_caption = Map of Illinois | map_width = | location = Johnson County, Illinois | nearest_city = Vienna | coordinates = {{coords|37.367|-88.950|region:US-IL|display=inline, title}} | area = {{Convert|1861|acre}} | established = | visitation_num = | visitation_year = | governing_body = | url = | embedded = {{designation list | embed = yes | designation1 = NNL | designation1_date = 1972 | designation2 = Ramsar | designation2_offname = Cache River and Cypress Creek Wetlands | designation2_date = 1 November 1994 | designation2_number = 711[1]}} }}Heron Pond – Little Black Slough Nature Preserve is a parcel of protected wetland property located approximately 5 miles (8 km) southwest of Vienna in Johnson County, Illinois. It was designated a National Natural Landmark in 1972.[2] As part of the Cache River basin, it is classified as a wetland of international importance under the Ramsar Convention.[1] Biological historyThe Heron Pond – Little Black Slough Nature Preserve protects a swath of Cache River drainage upstream from the Post Creek Cutoff. It combines upland limestone bluffs (Wildcat Bluff), Cache River floodplain, and a drier mesic woodland (Boss Island). The wetland sections of this Nature Preserve protect several old growths of bald cypress and water tupelo. A heron rookery has been logged here. The Wildcat Bluff upland may commemorate one of the nature preserve's top carnivores, the bobcat. There are also river otters here. Birdwatchers come to Heron Pond - Little Black Slough to search for a variety of raptors, including the black vulture, red-shouldered hawk, and the barred owl, and enjoy a variety of songbirds, including the Kentucky warbler and the yellow-throated warbler.[2] TodayThe Heron Pond – Little Black Slough Nature Preserve complex comprises 1,861 acres (753 hectares) of land accessible from U.S. Highway 45. It is, in terms of area, the largest natural area owned and operated by the Illinois Department of Natural Resources.[2] The name of the small nearby town of Cypress, Illinois appears to commemorate the cypress trees of the upper Cache River drainage, including the groves now protected within the Heron Pond – Little Black Slough Nature Preserve. References1. ^1 {{Cite web|title=Cache River and Cypress Creek Wetlands|website=Ramsar Sites Information Service|url=https://rsis.ramsar.org/ris/711|accessdate=25 April 2018}} 2. ^1 2 {{cite web|url=http://163.191.72.100/INPC/Directory/Sitefiles/Area9/HERJO.htm |title=Heron Pond - Little Black Slough Nature Preserve: Johnson County |work=Illinois Nature Preserves Commission |accessdate=2009-04-01 |deadurl=yes |archiveurl=https://web.archive.org/web/20110529064753/http://163.191.72.100/INPC/Directory/Sitefiles/Area9/HERJO.htm |archivedate=2011-05-29 |df= }} External links{{Portal|Wetlands}}
6 : Protected areas of Johnson County, Illinois|National Natural Landmarks in Illinois|Wetlands of Illinois|Nature reserves in Illinois|Landforms of Johnson County, Illinois|Ramsar sites in the United States |
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