BANGLADESH JOURNAL OF FOREST SCIENCE
A Half-yearly Peer Reviewed Journal of Bangladesh Forest Research Institute
A Half-yearly Peer Reviewed Journal of Bangladesh Forest Research Institute
The Dhanmondi Lake Aiea (DLA), Dhaka possesses an overview performance for being an ideal site for bird’s habitat because of its landscape, planted vegetation coverage, old trees and wetland. A study on the avian species diversity, richness and abundance, status, and seasonal variation was conducted from July 2019 to June 2021 in the green space of Dhanmondi Lake Aiea, Dhaka, Bangladesh. A total 57 species of avian fauna belonging to 12 orders, 27 families and 43 genera were recorded during the study period. Among the bird species passerines constituted the highest 30 species (56% of the total species) belonging to 15 families and 23 genera and non-passerine represented 27 species (44% of the total species) belonging to 13 families and 20 genera. Among the total species recorded during the study period 47 (82.46%) were resident bird species and 10 (17.54%) were migratory species. Identified birds’ abundances, richness and threats to them were also discussed in this article.
An attempt was
different locations of Bangladesh. In this study, comparative season wise survey was conducted during
2010-2015. Disease incidence % of six commercially cultivated medicinal plants viz. Ashwagandha
(Withania somnifera L.) Dunal, Gritakanchon (Aloe indica L.), Kalomegh {Andrographispeniculata Nees),
Tulsi {Qcimwn sanctum L.), Basok (Adhatoda vasica Nees) and Shotomoly {Asparagus racemosus L.) was
recorded. Common diseases on all the six plants were recorded which included root rot and leaf blight in
Ashwagandha, leafspots and collar rot in Gritakanchon, Powdery mildew and root rot in Tulsi, leafblight
and collar rot in Kalomegh, wilting and die-back in Basok, tuber rot and stem rot in Shotomoly. The causal
organisms were identified as Fusarium equiseti (Corda.) Sacc., Alternaria altemata (Fries) Keissler,
Cochliobolus lunatus (Nelson & Hassig), Rhizopus stolonifer (Ehrenberg ex.
Fusarium oxysporiiun (Schlecht), Colletotrichum sp. respectively. The study revealed that most of the
incidences of the diseases were found in monsoon than pre-monsoon comparatively. Moderate to severe
damage by the diseases were observed in all the six medicinal plant highest (91.45%) disease incidence was
recorded in Ashwagandha for root rot disease and lowest (68.05%) disease incidence was recorded in
Shotomoly for the same disease.
A study was carried out on the herpetofauna of the Baraiyadhala National Park in Chittagong,
Bangladesh by direct field observations during August 2012 to July 2013. In total, 38 species of
herpetofauna belonging to 3 orders (Anura, Testudines and Squamata), 16 families and 32 genera were
recorded. Out of the 38 species, 10 (26.32%) were amphibians and 28 (73.68%) reptiles. Among the
reptiles, 2 (7.14%) species were turtles, 12 (42.86%) lizards and 14 (50%) snakes while all but one (Asian
Common Toad, Duttaphrynus melanostictus) amphibians were frogs. Among the amphibians, Cricket
Frog (Fejervarya sp.) constituted the highest density and Bengal Leaping Frog (Hylarana tytleri)
accounted for the lowest. The density of South Asian Giant Gecko (Gekko gecko) was the highest and
Indian Rock Python (Python bivittatus), Gray Cat Snake (Boiga siamensis) and Banded Krait (Bungarus
fasciatus) were the lowest among reptiles. Local status (relative abundance) of herpetofauna were
assessed where 15 (39.47%) species were rare, 11 (28.95%) fairly common, 9 (23.68%) common and 3
(7.9%) were very common. Of the recorded species, 15 (39.47%; 2 amphibians and 13 reptiles) were
threatened including 2 Critically Endangered (CE), 6 Endangered (EN) and 7 Vulnerable (VU).
Lizard diversity in the Chittagong University Campus (CUC) was studied from August 2012 to
December 2014. Seventeen species belonging to four families (Agamidae, Gekkonidae, Scincidae and
Varanidae) and eight genera {Calotes, Gekko, Hemidactylus, Eutropis, Lygosoma, Scincella,
Sphenomorphus and Varanus) under the Order Squamata were recorded. Family Scincidae comprised the
highest number of species (7 i.e., 41.18%) and Agamidae was the lowest (2 i.e., 11.76%). Status,
distribution and habitat of the lizards in the CUC have been discussed
Welcome to the Bangladesh Journal of Forest Science (BJFS) – a leading platform for advancing the knowledge and understanding of forest science in Bangladesh and beyond. Established with a commitment to excellence, BJFS serves as a cornerstone for researchers, practitioners, and enthusiasts dedicated to the sustainable management and conservation of forest ecosystems.
