Search Results for : species
Comparison of butterfly diversity in natural and regenerating forest in a biodiversity conservation site at maragamuwa, Sri Lanka
Knowledge of species composition and diversity of butterflies offers great benefits for nature conservation and environmental monitoring. Butterfly species richness and diversity were studied at a biodiversity conservation site at Maragamuwa, Sri Lanka from July 2009 to February 2010 using the fixed distance line transect method. A total of 4968 butterflies belonging to the super […]
Diversity of cave macro-invertebrates in mighty cave, tagoloan, lanao del norte, Philippines
Macro-invertebrates help maintain the stability of the wide niches of faunal assemblage of caves. This study was conducted to determine the diversity and relative abundance of macro-invertebrates in the recently-explored Mighty Cave in Tagoloan, Lanao del Norte. Sampling was conducted using hand-searching, direct counting and pitfall trap methods in four cave zones. Ten species of […]
Predation potential of foliage spiders and estimates of utilization curve, niche breadth and overlap in cotton filed from Punjab, Pakistan
Production of cotton is restricted by pest infestation causing deterioration in lint quality. Spiders being generalist predators regulate insect populations. Bio diversity and relative abundance of spiders as predator as well as feeding niches of nine co existing spider species in cotton were computed and compared for the niche breadth; niche and specific overlaps. A […]
Early growth stages structure and distribution of Pericopsis elata (Harms) van Meeuven in a logging concession of South – East Cameroon
Pericopsis elata (Harms) van Meeuwen is a tropical Africa’s timber of high economic value. In many countries its low natural regeneration rate does not favor the replacement of harvested populations, thus CITES and IUCN recommended a total protection of the species. This survey aimed to characterize the early growth stages and natural regeneration of P. […]
Diversity of butterflies (Order: Lepidoptera) in assam university campus and its vicinity, cachar district, assam, India
A preliminary study on the diversity of butterflies was carried out in Assam University campus and its vicinity, Cachar district, Assam, India from June 2013 to May 2014 using transects lining method (Barhaum et al., 1980). The University Campus is surrounded by lush green hillocks, natural lakes and the picturesque tea gardens of South Assam. […]
Comparison of growth forms and life forms of rangeland plants under different methods of rangeland management (case study: rangelands around Bojnourd city)
Planning and optimal management of rangelands is important to achieve to vegetation changes in enclosure and enclosure rangelands. In this study due to the lack of sufficient research was compared the effect of each of the four methods of rangeland management on the plant composition. The study area located in the rangelands around the Bojnourd […]
Study of soil macrofauna in relation with some of selected soil physio- chemical properties at sumayar-nagar in district Hunza-Nagar Gilgit-Baltistan, Pakistan
Soil is one of the most essential and diverse natural habitat of biodiversity on earth. Soil organisms (biota) carry out a wide range of processes that are important for soil health and fertility in both natural and managed agricultural soils. Total number of organisms, diversity of species and the activity of the soil biota will […]
An investigation into the effect of different levels of stockosorb on the establishment and vegetative characteristics of Tamarix aphylla and Eucaliptus camadulensis seedlings in a light-textured (sandy) soils
This experiment was done to compare the effect of different levels of superabsorbent on the establishment and characteristics of Tamarix aphylla and Eucaliptus camadulensis seedlings in the Agricultural and Natural Resource Research Center of Sistan. The experiments were conducted in light-textured soil. The investigated treatments included: The main factor including irrigation treatment at two water […]
Study of seasonal changes in habitat suitability of Caracal caracal schmitzi (Maschie 1812) in the central desert of Iran
Caracal is one of 10 cat’s species in Iran that lives in plain and desert. Major changes in natural ecosystems and increasing desertification, threatens the habitat of Caracal and its symbiotic. This research aim was to assess the suitability of Caracal`s habitat in different seasons to determine the most important factors that leads to seasonal […]
The evaluation of cool-season oilseed crops for yield and adaptation in texas: an approach for selection of efficient biofuel feedstock
Expansion of the biofuel industry will require identification of suitable feedstock for particular geographic regions and optimization of production capacity by enhancing research-based management practices. To identify potential biofuel feedstocks, numerous cool-season oil-seed crops were evaluated for their yield potential and quality in Texas; forty-five genotypes of four winter and spring-type oilseed crops were evaluated […]