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TIGER data published through February 2007 (2006 Second Edition) were in a custom text-based format formally known as TIGER/Line files. In 2008, data in shapefile format was published. Please note that shapefiles are not topological, therefore may create slivers when comparing TIGER/Line boundaries.
U.S. Gazetteer, TIGER/Line shapefiles, census data. National Historical Geographic Information System: NHGIS provides free of charge, aggregate census data and GIS-compatible boundary files for the United States between 1790 and 2012. Atlas of Historical County Boundaries Project (AHCBP)
As per Ministry of Environment and Forests, the wild tiger population in India stood at 2,226 in 2014 with an increase of 30.5% since the 2010 estimate. [4] In 2018, according to the National Tiger Conservation Authority, there were an estimated 2,967 wild tigers in existence in India. The wild tiger population increased to 3,682 as of 2022. [5]
This tiger reserve covers a total area of 2,829.38 square kilometres (1,092.43 sq mi), including a core or critical tiger habitat of 2,049.2 square kilometres (791.2 sq mi), which consists of the Guru Ghasidas National Park and the Tamor Pingla Wildlife Sanctuary, along with a buffer zone of 780.15 square kilometres (301.22 sq mi). It is 56th ...
This list of Ramsar sites in the United States are those wetlands that are considered to be of international importance, protected under the Ramsar Convention treaty. The United States as of 2020, has 41 sites designated as "Wetlands of International Importance" with a surface area of 1,884,551 hectares (7,276.29 sq mi; 18,845.51 km 2 ).
On 8 February 2021, the Ministry of Environment, Forest and Climate Change gave notification of this new tiger reserve. [3] On 6 April 2021, the Government of Tamil Nadu and forest department approved the creation of a new tiger reserve in Tamil Nadu [4] and on 11 April 2021 a new tiger reserve was formed. [2] Tiger reserve area : 1016.57 km 2
Simlipal Tiger Reserve spans a vast area of 2,750 km 2 (1,060 sq mi), with its core zone covering 1,194.75 km 2 (461.30 sq mi). Average elevation of the reserve is around 900 m (3,000 ft) and it has notable peaks such as Khairiburu at 1,178 m (3,865 ft) and Meghasani at 1,158 m (3,799 ft); the reserve also features two impressive waterfalls: the towering Barehipani Falls, reaching a height of ...
The National Estuarine Research Reserve System is a network of 30 protected areas established by partnerships between the National Oceanic and Atmospheric Administration (NOAA) and coastal states. The reserves represent different biogeographic regions of the United States. The National Estuarine Research Reserve System protects more than 1.3 ...