Abstract:
ABSTRACT
Carbon stock inside a vegetation plays a imperative part in relieving CO
2
and
assurance long-term soundness of carbon in changing situations. The study was
conducted to quantify the current carbon stock and documentation of plants in
different vegetation sites at Sher-e-Bangla Agricultural University, Bangladesh.
72 plots were purposively selected and divided into seven categories viz.
residential area, Horticulture and Agroforestry farm land, hall area, academic
area, Block plantation, pond side and roadside. Total 731 plants of 60 different
species under 32 families was recorded and 92, 360, 118, 41 and 120 plant
species were existed in terms of ornamental, fruit, timber, medicinal and
plantation crop, respectively. Academic area (229.06±20.31 Mg ha
) had the
highest mean carbon stock followed by Block plantation (191.00±48.60 Mg ha
1
), Hrt. & Afe. farm land (184.22±20.83 Mg ha
-1
), Roadside (163.46±22.73 Mg
ha
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), Hall area (157.27±14.32 Mg ha
-1
), Pond side (93.00±13.12 Mg ha
) and
Residential area (88.15±13.98 Mg ha
-1
). The five major carbon containing
species were Mangifera indica (102.53 Mg) followed by Artocarpus
heterophyllus (46.34 Mg), Swietenia mahagony (44.42 Mg), Polyalthia
longifolia (33.72 Mg) and Albizia lebbeck (19.94 Mg). Mango was found the
most predominant tree species with 18.33% (no. 134) followed by Kanthal
8.21% (no. 60), Mahogany 7.93% (no. 58), Narikel 6.84% (no. 50) and Supari
6.02% (no. 44). The mean diversity value of the study area was 1.36 (SWI).
Carbon stock had a positive relationship with basal area and mean DBH.
Anacardiaceae was the most dominating family with a number of 137 plants and
Oleaceae and Lythraceae were the least dominating family with a number of
single plant. 49.25, 42.54, 16.41, 16.28, 13.95, 12.58 and 5.61% plants were
recorded in fruit, resin plants, plantation crop, latex plants, timber, essential oil
plants and ornamental plants, respectively with a total number of 360, 311, 120,
119, 118, 102 and 92. The study shows that the tree species found in the campus
make an important contribution in conserving diversity and helps to maintain the
carbon stock at the University Campus.
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Description:
A Thesis
Submitted to the Faculty of Agriculture,
Sher-e-Bangla Agricultural University, Dhaka
in partial fulfilment of the requirements
for the degree of
MASTER OF SCIENCE
IN
AGROFORESTRY & ENVIRONMENTAL SCIENCE
SEMESTER: JULY-DECEMBER, 2020
