scholarly journals RELATIVE ABUNDANCE AND DISTRIBUTION OF THE TRUE SPIDER FAMILIES IN ASSUIT GOVERNORATE

2012 ◽  
Vol 3 (2) ◽  
pp. 81-89
Author(s):  
A. Metwaly ◽  
M. Abd El-Kader ◽  
S. Montaser ◽  
M. Ahmed ◽  
H. Qurany
Keyword(s):  
Relative Abundance ◽  
Abundance And Distribution

scholarly journals A Preliminary Survey of Amphibians and Reptiles in around Gulbarga University Campus, Karnataka, India

2014 ◽  
Vol 27 ◽  
pp. 67-71
Author(s):  
Murali Jadesh ◽  
Parshuram Kamble ◽  
K. Manjunath ◽  
K. Ravikiran ◽  
Sharanappa Padashetty
Keyword(s):  
Species Composition ◽  
Relative Abundance ◽  
Survey Methods ◽  
Preliminary Survey ◽  
University Campus ◽  
Visual Estimation ◽  
Abundance And Distribution

The study involves survey of amphibian and reptile in and around Gulbarga University Campus. Survey was conducted from Jan 2012 to March 2013. The survey methods involved careful visual estimation of amphibians and reptilian in all the possible habitats present in the study area. The objective of the study included evaluate of species composition, relative abundance and distribution of amphibian and reptile of the chosen area. During survey a total of 16 species of herpetofauna identified belonging to 12 families, which includes 9 species of snakes, 4 species amphibians, 3 species of lizards

Historical Changes in Large River Fish Assemblages of the Americas

2005 ◽  
Keyword(s):  
Relative Abundance ◽  
Mississippi River ◽  
Largemouth Bass ◽  
Fish Assemblage ◽  
Fish Assemblages ◽  
Micropterus Salmoides ◽  
Lepomis Macrochirus ◽  
Large River ◽  
Frequency Of Occurrence ◽  
Abundance And Distribution

<em>Abstract.</em>—An investigation of historical fisheries information for pools 4–13 of the upper Mississippi River (UMR) was conducted to 1) determine the pre-1938 relative abundance and distribution of bluegill <em>Lepomis macrochirus </em>and largemouth bass <em>Micropterus salmoides, </em>2) determine the composition and relative abundance of the preimpoundment fish assemblage, and 3) determine if a shift in frequency of occurrence and relative abundance has occurred due to impoundment.

scholarly journals Relative Abundance and Distribution of Mariana Swiftlets (Aves: Apodidae) in the Northern Mariana Islands1

2008 ◽  
Vol 62 (2) ◽  
pp. 233-246 ◽  
Author(s):  
Justine B. Cruz ◽  
Shelly R. Kremer ◽  
Gayle Martin ◽  
Laura L. Williams ◽  
Vicente A. Camacho
Keyword(s):  
Relative Abundance ◽  
Abundance And Distribution

Identification, abundance, and origin of moss, liverwort, and algal contaminants in greenhouses of containerized forest nurseries

1981 ◽  
Vol 11 (2) ◽  
pp. 357-361 ◽  
Author(s):  
Richard L. M. Ross ◽  
George S. Puritch
Keyword(s):  
British Columbia ◽  
Relative Abundance ◽  
Water Samples ◽  
Algal Species ◽  
Air Samples ◽  
Forest Nurseries ◽  
Soil Mix ◽  
Abundance And Distribution

Five containerized forest nurseries in British Columbia were surveyed for cryptogam (moss, liverwort, and algal) contamination. Fourteen cryptogam species (five bryophyte and nine algal species) were identified from contaminated styroblock containers. No cryptogams were cultured from the peat and soil mix samples and no mosses or liverworts were detected in the water samples. Algae were found in water samples of two of the five nurseries, but only one of these had species similar to those contaminating the styroblocks. Air samples contained moss, liverwort, and six of the nine algal contaminant species. The relative abundance and distribution of cryptogams at each nursery is given and data are presented which indicate an airborne mode of contamination. The results are discussed with respect to the nature of the contamination and possible control of cryptogam pests in greenhouses of containerized forest nurseries.

scholarly journals Abundance and Dynamic Distribution of Antibiotic Resistance Genes in the Environment Surrounding a Veterinary Antibiotic Manufacturing Site

Antibiotics ◽  
2021 ◽  
Vol 10 (11) ◽  
pp. 1361
Author(s):  
Junjie Miao ◽  
Zhendong Yin ◽  
Yuqin Yang ◽  
Yiwen Liang ◽  
Xiangdong Xu ◽  
...  
Keyword(s):  
Antibiotic Resistance ◽  
Relative Abundance ◽  
Resistance Genes ◽  
Antibiotic Resistance Genes ◽  
Dynamic Distribution ◽  
Environmental Media ◽  
Water And Soil Samples ◽  
Different Seasons ◽  
Veterinary Antibiotic ◽  
Abundance And Distribution

Background: Antibiotics releasing from the manufacturing sites to the surrounding environment has been identified as a risk factor for the development of antibiotic resistance of bacterial pathogens. However, the knowledge of the abundance and distribution of antibiotic resistance genes (ARGs) influenced by antibiotic pollution is still limited. Methods: In this work, the contamination by resistance genes of the environmental media including an urban river and soil along the river located near the sewage outlet of a veterinary antibiotic manufacturing site in Shijiazhuang, China, was assessed. The abundance and dynamic distribution of ARGs in different sampling points and during different seasons were analyzed using fluorescent quantitative PCR method (qPCR). Results: A total of 11 resistance genes, one integron and one transposon were detected in water and soils around the pharmaceutical factory, and among which, the sulfonamide resistance genes sul1 and β-lactam resistance genes blaSHV were the most abundant genes. The relative abundance of ARGs in both river water and soil samples collected at the downstream of the sewage outlet was higher than that of samples collected at the upstream, non-polluted areas (p < 0.05). The mobile genetic elements (MGEs) integron in river was significantly correlated (p < 0.05) with the relative abundance of ARGs. Conclusions: The results indicate that the discharge of waste from antibiotic manufacturing site may pose a risk of horizontal transfer of ARGs.

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