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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.
Online collection of all digital USGS 1:24K scale topographic maps (as well as various other GIS data) covering the United States, available as a free download. NPScape: United States Department of the Interior National Park Service NPScape is a landscape dynamics monitoring project that provides landscape-level data, tools, and evaluations for ...
[12]: 218 A topology rulebase is a list of desired topology rules used to enforce spatial integrity in spaghetti data, such as "county polygons must not overlap" and "state polygons must share boundaries with county polygons." [13] Vector datasets usually represent discrete geographical features, such as buildings, trees, and counties.
As per the section 38 of the Wild Life (Protection) Act, 1972, the state governments are responsible preparing a Tiger Conservation Plan which includes planning and management of notified areas and maintaining the requisite competent staff to ensure the protection of the tiger reserve and providing inputs for maintaining a viable population of tigers, co-predators and prey animals.
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
M-STrIPES, short for Monitoring System for Tigers - Intensive Protection and Ecological Status, is a software-based monitoring system launched across Indian tiger reserves by the Indian government's National Tiger Conservation Authority (NTCA) in 2010.
The U.S. government designed TIGER grants in order to incentivize bettering environmental problems and reducing the United States' dependence on energy. On the economic front, the United States hopes infrastructure investment will encourage job creation, a pressing political priority; this would likely require the project to be shovel-ready.
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 ).