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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
(Sq.Kms.)
% of Total 
Forest Area
% of Total 
Geographical Area
a). Government owned Forests:
1. Reserved Forests & Wildlife Sanctuaries* 264.28 3.06% 1.59%
2. Protected Forests 34.69 0.40% 0.40%
3.Purchased Forests 192.47 2.20% 2.20%
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%
Total (a+b+c) 8629.30 100.00% 52.0442%
d). OWNERSHIP
i) State Government 1008.23 11.70% 6.00%
ii) Private/Community 7621.07 88.30% 46.00%
Total 8629.30 100.00% 52.00%
 

*(Wildlife Sanctuaries –                                202.02                      2.31%                    2.31%)

AREAS UNDER DIFFERENT LAND USE IN NAGALAND:

Classification Area (in Sq./Km.)
Forest 8629.30
Land under Agriculture use 278.62
Land under miscellaneous tree  
Crops and grooves 1242.52
Cultivable wasteland 725.34
Cultivable non-forest area (CNFA) 3214.00
Net area sown 1867.00
 

PURCHASED FORESTS:

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)
1 Dimapur 8.1238
2 Wokha 6.9312
3 Zunheboto 0.4000
4 Phek 7.6159
5 Peren 2.6700
6 Kohima 39.2601
7 Mon 73.4505
8 Mokokchung 45.4879
9 Tuensang 85.6969
  Total 192.4673

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%.

PROTECTED AREA

Nagaland has one National Park and three Wildlife Sanctuaries covering 222.0 Sq. Km which constitutes 1.34% of the State’s geographical area.

FOREST COVER

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

2019 ASSESSMENT

District Geographical Area Very Dense Forest Mod Dense Forest Open Forest Total % of GA Change scrub
Dimapur TH 927 24.00 161.71 406.38 592.09 63.87 3.09 9.32
Kiphire 1,130 151.72 277.80 405.06 834.58 73.86 -0.42 62.35
Kohima TH 1,463 131.70 377.68 673.28 1,182.66 80.84 -3.34 57.60
Longleng 562 0.00 125.45 246.95 372.40 66.26 -2.60 33.52
Mokokchung TH 1,615 1.89 501.89 823.83 1,327.61 82.20 5.61 22.08
Mon TH 1,786 32.00 431.32 739.50 1,202.82 67.35 -4.18 127.00
Peren 1,651 136.06 644.46 634.30 1,414.82 85.69 -23.18 76.66
Phek TH 2,026 272.61 637.83 705.37 1,615.81 79.75 -8.19 85.35
Tuensang TH 2,536 438.57 547.10 713.99 1,699.66 67.02 26.66 92.35
Wokha TH 1,628 1.00 465.13 839.68 1,305.81 80.21 -0.19 10.47
Zunhebto TH 1,255 83.64 363.35 491.15 938.14 74.75 4.14 58.89
Grand Total 16,579 1,273.19 4,533.72 6,679.49 12,486.40 75.31 -2.60 635.49
 

(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
VDF MDF OF Scrub NF
Very Dense Forest 1,273 0 0 0 6 1,279
Moderately Dense Forest 0 4,533 0 3 51 4,587
Open Forest 0 0 6,432 16 175 6,623
Scrub 0 1 81 416 5 503
Non-Forest 0 0 166 200 3,221 3,587
Total ISFR 2019 1,273 4,534 6,679 635 3,458 16,579
Net Change -6 -53 56 132 -129

(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)

Altitude Zone VDF MDF OF Total
0-500m 0 1,008 1,942 3,145
500-1000m 9 1,304 2,366 3,832
1000-2000m 566 2,029 2,222 4,986
2000-3000m 690 239 91 983
Above 3000m 14 7 2 20
Total 1,279 4,587 6,623 12,489
 

(Based on SRTM, Digital Elevation Model)

TREE COVER

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
Tree Cover 379 2.29
Forest Cover 12,489 75.33
Forest and Tree Cover 12,868 77.62
 

(Source: State of Forest Report 2017)

GROWING STOCK

The growing stock as per the State of Forest Report 2017 is presented in Table below:

(in million cum’s)
Forest TOF Total
36.899 11.425 48.334
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)
1 Wangla –I 1976-77 2055.000 831.630
2 Wangla –II & III 1976-77 4278.000 1731.248
3 Wangla – IV 1977-78 490.000 198.196
4 Naginimora-Hodhodi 1976-77 2983.000 1207.179
5 Jaboka 1976-77 5293.000 2142.004
6 Wanching 1976-77 1667.000 674.612
7 Lapa 1977-78 700.000 283.280
8 Borakangtsung – II 1976-77 1710.000 692.013
9 Borakangtsung – I 1977-78 1092.000 441.917
10 Wamaken 1976-77 770.000 311.608
11 Molungyimsen 1976-77 1566.000 638.738
12 Yimjenkimong 1976-77 490.000 198.300
13 Japu 1976-77 1019.000 412.375
14 Lirmen 1977-78 1060.000 428.967
15 Akhoia & Asangma 1977-78 600.000 242.812
16 Changdang 1977-78 628.000 254.143
17 Merangkong 1976-77 1908.000 772.141
18 Namsang 1977-78 1086.000 439.489
19 Seithekima 1981-82 1038.000 419.940
20 Chumukedima – I 1988-89 769.000 311.204
21 Chumukedima – II 1988-89 198.000 80.128
      Total 12712.024

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.

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