STATUS OF FORESTS AS ON 31.01.2021
Out of the State’s geographical area of 16 ,579 Sq.Km., forests occupy an area of approximately 8629 Sq.Kms, i.e.,52.04%. The break up is as follows:
|Legal Status||Forest Area
|% of Total
|% of Total
|a). Government owned Forests:|
|1. Reserved Forests & Wildlife Sanctuaries*||264.28||3.06%||1.59%|
|2. Protected Forests||34.69||0.40%||0.40%|
|b). Government controlled|
|(Private owned) Forests:|
|5. Protected Forest||516.79||5.98%||3.1171%|
|c). Village Owned Forests:|
|6. Virgin Forests||4778.27||55.40%||28.8212%|
|7. Degraded Forest||2842.80||32.90%||17.1467%|
|i) State Government||1008.23||11.70%||6.00%|
*(Wildlife Sanctuaries – 202.02 2.31% 2.31%)
AREAS UNDER DIFFERENT LAND USE IN NAGALAND:
|Classification||Area (in Sq./Km.)|
|Land under Agriculture use||278.62|
|Land under miscellaneous tree|
|Crops and grooves||1242.52|
|Cultivable non-forest area (CNFA)||3214.00|
|Net area sown||1867.00|
Since the area under Government forest in the state is limited, the Department has purchased some forest land from Private Owners to take up plantations and Biodiversity Conservation.
The total Land Purchased by the Department is approximately 192.47 sq. kms. District-wise area of land pur-chased by the Department is indicated below:
|Sl.No.||Division||Total area (in Km2)|
RECORDED FOREST AREA
The recorded forest area of the state is 8629.30 sq.km which is 52% of its geographical area. The Reserved Forests constitute 3.06%, Protected Forests 5.51% and Unclassed Forest constitute 93.56%.
Nagaland has one National Park and three Wildlife Sanctuaries covering 222.0 Sq. Km which constitutes 1.34% of the State’s geographical area.
Based on interpretation of satellite data pertaining to Oct-2017 Feb-2018 the forest cover of the state is 12,486.40 Sq.km which is 75.31% of the State’s geographical area. In terms of forest canopy density classes, the State has 1,273.19 Sq.km area under very dense forest, 4,533.72 Sq.km are under moderately dense forest and 6,679.49 Sq.km under open forest. District-wise forest cover in different canopy density classes along with the changes compared to updated 2017 As-sessment and scrub are given in Table below
2019 ASSESSMENT TABLE
|District||Geographical Area||Very Dense Forest||Mod Dense Forest||Open Forest||Total||% of GA||Change||scrub|
(Source: State of Forest Report 2019)
Comparison with the previous assessment showed a loss of 2.60 Sq.km of forest cover.
FOREST COVER CHANGE MATRIX (Area in km2)
|Class||2019 Assessment||ISFR 2017 updated|
|Very Dense Forest||1,273||0||0||0||6||1,279|
|Moderately Dense Forest||0||4,533||0||3||51||4,587|
|Total ISFR 2019||1,273||4,534||6,679||635||3,458||16,579|
(Source: State of Forest Report 2019)
The main reasons for the decrease in forest cover are Shifting Cultivation and other biotic pressure on forest lands
ALTITUDE ZONE-WISE FOREST COVER
Forest cover of the State in different altitude zones is given in Table below:
Altitude Zone-wise Forest Cover (Area in km2)
(Based on SRTM, Digital Elevation Model)
The forest and tree cover of the State is presented in Table below
Forest and Tree Cover (Area in km2)
|Category||Area||% of Geographical Area|
|Forest and Tree Cover||12,868||77.62|
(Source: State of Forest Report 2017)
The growing stock as per the State of Forest Report 2017 is presented in Table below:
LAND PURCHASED FOR NPPC, TULI
The Forest Department had purchased lands measuring 12,712.024 Ha in different years for raising bamboo planta-tion for supply of raw material to the NPPC, Tuli.
|Sl. No.||Name/Location of land||Year of Purchased||Areas in Acre||Area (in Ha)|
|2||Wangla –II & III||1976-77||4278.000||1731.248|
|3||Wangla – IV||1977-78||490.000||198.196|
|8||Borakangtsung – II||1976-77||1710.000||692.013|
|9||Borakangtsung – I||1977-78||1092.000||441.917|
|15||Akhoia & Asangma||1977-78||600.000||242.812|
|20||Chumukedima – I||1988-89||769.000||311.204|
|21||Chumukedima – II||1988-89||198.000||80.128|
FOREST TYPES IN NAGALAND
Though Nagaland is a small State, it has been endowed with a wide variety of Forest Types on account of its unique geographic location and wide range of physiographic terrain. The following forest types are found in the State (as per classification by Champion & Seth)
a) Northern Tropical Wet Evergreen Forest (1B): These forests once covered the Namsa-Tizit area but now only a small vestige is found in the Zankam area. It is found only in Mon District. The dominant species in this type of forest are Hollong (Dipterocarpus macrocarpus), Makai (Shorea assamica), Nahor (Mesua ferrea) etc.
b) Northern Tropical Semi Evergreen Forest (2B): These types of forests are found in the foothills of Assam-Nagaland border in Mokokchung, Wokha and Kohima Districts. The species that make up these forests are similar to those of the Northern Tropical Wet Evergreen Forests. The only difference is that in the former case the evergreen species dominate though there are deciduous species like Bhelu (Tetrameles nudiflora), Paroli (Stereospermum chelonoides), Jutuli (Altingia excelsa) etc, whereas in the present case, the number of evergreen species decreases and the deciduous species are more in number.
c) Northern Sub-Tropical Broad Leaved Wet Hill Forest (8B/C1): These types of forests are found in the hill areas below 1800m and above 500m in all the districts of Nagaland. The wet evergreen species are conspicuous by their absence and the dominant species are mostly semi-deciduous. Some of the important timber species in this type are – Koroi (Abelmoschus), Pomas (Chukrasia), Sopas (Magnolia), Gamari (Gmelina), Hollock (Terminalia), Sam (Betula nigra), Am (Mangifera), Badam (Prunus), Betula etc.
d) Northern Sub-Tropical Pine Forest (9/C2): These types of forests are found in hills with elevation of 1000m to 1500m in parts of phek and tuensang Districts of Nagaland. Pine is the dominant species, and is found mixed with Quercus, Schima, Prunus, Betula and Rhododendron.
e) Northern Montane Wet- temperate Forest (11B): These types of forests are found on the higher reaches of the tallest mountains (above 2500m) like saramati and Dzṻkou area. The species that dominate are Rhododendron, Oaks (Quercus), Birch and Juniperus sp.
f) Alpine Forest(15): Alpine vegetation is found at high altitudes in ridges of Saramati range,which remains covered with snow for major part of the year from October to April. After melting of the snow during the brief summer a few annuals, herbs and shrubs along with mosses can be seen growing there. Species of Rhododendron, Abies, and Juniperus are found in sub alpine vegetation gradually merges into alpine vegetation which comprises of high altitude grasses and drawf Rhododendrons. Many members of Primulaceae, Saxifragaceae, and Polygonaceae families are also found.