abstract：:The present studies were conducted on the ability of males of the gray shrew, Notiosorex crawfordi to use tactile cues to detect and respond to changes in topographical features of their environment. The animals were videotaped, digitized, and analyzed through video recordings. All subjects showed habituation (decreas...

journal_title：Journal of environmental biology

authors： Punzo F,Parker M

更新日期：2006-05-01 00:00:00

abstract：:Nickel chloride, heavy metal widely used in industries was investigated in the present study for histopathological studies in silver carp (Hypophthalmichthys molitrix). Fish were exposed for 10, 20 and 30 days in sublethal concentration of nickel 5.7 mg/l. The histopathological changes were studied in the gill, liver,...

journal_title：Journal of environmental biology

authors： Athikesavan S,Vincent S,Ambrose T,Velmurugan B

更新日期：2006-05-01 00:00:00

abstract：:The study highlighted that mass bathing during Ardhkumbh caused the changes in the river water quality and indicated that water is not fit for either drinking or bathing purposes. The presence of faecal coliforms in water also hints at the potential presence of pathogenic microorganisms, which might cause water borne ...

journal_title：Journal of environmental biology

authors： Kulshrestha H,Sharma S

更新日期：2006-05-01 00:00:00

abstract：:Callus induced from leaf explants of Pueraria lobata seedlings were suspended in Gamborg B5 medium supplemented with 1 mg l(-1) 2,4-dichlorophenoxyacetic acid, 1 mg l(-1) naphthalene acetic acid, 0.5 mg l(-1) kinetin and 30 g l(-1) sucrose. The effects of coconut milk and casein hydrolysate (CH) on cell growth and yie...

journal_title：Journal of environmental biology

authors： Li L,Zhang CR

更新日期：2006-01-01 00:00:00

abstract：:This study introduces the monitoring system to be established within this project, it aims to determine changes occurring within forested areas, settlement areas and other land use forms located at the peripheral area of Istanbul during consecutive decades. The first phase of the study was completed in 1998 and publis...

journal_title：Journal of environmental biology

authors： Yener H,Koç A

更新日期：2006-01-01 00:00:00

abstract：:Adverse effects of diesel oil on microanatomical structure of the alimentary canal of O. nilotica were studied using SEM observations. The study revealed irregular arrangement of the stratified epithelial cells along with fragmentation of the normal concentric pattem of microridges of the same cells in buccopharynx an...

journal_title：Journal of environmental biology

authors： Ghosh AR,Chakraborti P,Pal S

更新日期：2006-01-01 00:00:00

abstract：:Restoration of mine spoil is a prime need for coal industry. The study of ground cover vegetation provides essential information about the species diversity and their successional trends during the restoration. The present study was conducted to analyze the structure and biomass accumulation of ground vegetation devel...

journal_title：Journal of environmental biology

authors： Dutta RK,Agrawal M

更新日期：2005-10-01 00:00:00

abstract：:The tissue cholesterol and serum cortisol changes during four reproductive phases has been studied in the freshwater fish Notopterus notopterus of male sex during four phases, preparatory (January - March), prespawning (April - May), spawning (August - September) and post spawning (November - December). The cholestero...

journal_title：Journal of environmental biology

authors： Shankar DS,Kulkarni RS

更新日期：2005-10-01 00:00:00

abstract：:Most frequently encountered freshwater cyanobacterial toxin is Microcystin-LR (MC-LR). Microcystins released from cells into water have been responsible for the death of humans, domestic and wild animals. Removal of microcystin by active carbon has been one of the best methods available so far. This study evaluates th...

journal_title：Journal of environmental biology

authors： Bhaskar AS,Jayaraj R,Dangi RS,Prasad GK,Singh B,Rao PV

更新日期：2005-07-01 00:00:00

abstract：:The present paper deals with the rich avifauna available at Jamwa Ramgarh Lake of Rajasthan in India. More than 100 species of birds belonging to 38 families were recorded at lake during the year 2002, maximum species were sighted during the winter season. Due to scanty rainfall in 2002, this lake was also affected an...

journal_title：Journal of environmental biology

authors： Moundiotiya C,Kulshreshtha M,Bhatia AL,Sisodia R

更新日期：2005-07-01 00:00:00

abstract：:The influence of air pollutants on the architecture of Calabrian pine (Pinus brutia Ten.) needles was examined in polluted and control forest sites around the Yeniköy thermal power plant (YTPP) in Muğla, Turkey. The aim of this research was to test the hypothesis that air pollutants emitted from the YTPP cause the dil...

journal_title：Journal of environmental biology

authors： Nuhoglu Y

更新日期：2005-06-01 00:00:00

abstract：:Effect of paper mill effluents on Phaseolus aureus Roxb was studied. The effluent significantly inhibited germination of root and shoot length. The bio-chemical injury does not appear spontaneously but with the increase in effluent treatment there is reduction in observed biochemical parameters (chlorophyll, protein, ...

journal_title：Journal of environmental biology

authors： Malla L,Mohanty BK

更新日期：2005-06-01 00:00:00

abstract：:The pesticide residues which were detected in fish tissues are DDT, DDE, aldrin, dieldrin and deltamethrin. In total 45 samples were taken out of which 18 were found positive. Out of 18 samples DDT was found in 10 samples in small quantities. DDE was found in 12 samples in higher quantities, aldrin was found in 10 sam...

journal_title：Journal of environmental biology

authors： Saqib TA,Naqvi SN,Siddiqui PA,Azmi MA

更新日期：2005-06-01 00:00:00

abstract：:In this study, some heavy metal concentrations (Pb, Zn, Fe, Cr, Cu), suspended sediment, chemical oxygen demand (COD), biological oxygen demand (BOD), cyanide, phenol, fecal coliform and total coliform water parameters were determined in the streams (Kucuk Melen, Asarsuyu, Ugursuyu, Buyuk Melen and Aksu) of Buyuk Mele...

journal_title：Journal of environmental biology

authors： Karagul R,Samandar A,Yilmaz M,Altun L,Gedikli R

更新日期：2005-04-01 00:00:00

abstract：:The locomotion behavior of Pseudorasbora parva was observed in laboratory under various light intensity, turbidity, structural complexity and zooplankton size, focusing on swimming speed and time of search, approach, and attack. At low prey density, the satiation level affected the swimming speed only slightly. The se...

journal_title：Journal of environmental biology

authors： Park BK,Park SS

更新日期：2005-04-01 00:00:00

abstract：:Petrochemical industry have severe problem in disposing effluent and semisolid sludge despite repeated recycling. It requires further treatment prior to disposal of sludge. In recent years biological treatment methods received much attention and considered as an efficient low-cost treatment. One such method is vermicu...

journal_title：Journal of environmental biology

authors： Banu JR,Esakkiraj S,Nagendran R,Logakanthi S

更新日期：2005-01-01 00:00:00

abstract：:A study was made on the sources and spread of Salmonella spp at Namakkal District, Tamilnadu, to ascertain positive carriers of the pathogen. Of the 150 samples collected from varied sources, food handlers significantly contributed to the spread of S. typhi, S. paratyphi A and B, the presence of which was ascertained ...

journal_title：Journal of environmental biology

authors： Sasikumar C,Kannan V,Senthilkumar B

更新日期：2005-01-01 00:00:00

abstract：:A laboratory investigation was undertaken to study the cyclic usage of field recommended doses of Bacillus thuringiensis israelensis (Bti), Bacillus sphaericus (Bsp) and combination of Bti and Bsp (half the recommended dose of each) with deltamethrin 2.8 EC to attain better control of mosquito larvae. To understand th...

journal_title：Journal of environmental biology

authors： Gayathri V,Jeyalakshmi T,Shanmugasundaram R,Murthy PB

更新日期：2004-10-01 00:00:00

abstract：:The fungi Botryodiplodia theobromae and Rhizopus oryzae produce extracellular amylase when grown on a liquid medium containing 2% (WN) soluble starch or cassava starch residue(CSR) (as starch equivalent), a waste generated after extraction of starch from cassava, as the sole carbon source. Using CSR as the sole carbon...

journal_title：Journal of environmental biology

authors： Ray RC

更新日期：2004-10-01 00:00:00

abstract：:The present study embodies the observations on duration (45, 75 and 105 days) dependent effects of toxicologically low concentration (16 ppm) of a carbamate pesticide, carbofuran, on first ovarian maturity with correlative recovery response by withdrawal of treatment for 30 days in virgin yearlings of common carp, Cyp...

journal_title：Journal of environmental biology

authors： Chandra S,Ram RN,Singh IJ

更新日期：2004-07-01 00:00:00

abstract：:Compost samples obtained from different locations within the premises of the university of Lagos were analysed to determine the presence and types of antibiotic-producing bacteria, fungi and actinomycetes using nutrient agar, potato Dextrose agar and starch casein nitrate agar respectively as culture media. A variety ...

journal_title：Journal of environmental biology

authors： Adeleye IA,Eruba S,Ezeani CJ

更新日期：2004-07-01 00:00:00

abstract：:Area wise, the measurement of LC50 for pollutants is of great value in predicting the safe concentration dose of the contaminant in the environment on different aquatic species. The lethality of toxic substances including heavy metals to the aquatic organisms are usually assessed by following static bio-assay or conti...

journal_title：Journal of environmental biology

authors： Sindhe VR,Kulkarni RS

更新日期：2004-07-01 00:00:00

abstract：:Effects of basic oxygen furnace (BOF) slag, inorganic nutrients and H2S on the germination of resting cysts of two toxic dinoflagellates Alexandrium catenella/tamarense and Gymnodinium catenatum were studied in batch cultures. The germination rate of the test species has increased by 23-25%, when the concentration of ...

journal_title：Journal of environmental biology

authors： Yoo JS,Shin HW

更新日期：2004-04-01 00:00:00

abstract：:The effects of different pesticides (propiconazole, profenofos, pretilachlor) on vermicomposting were evaluated for the adverse effects on soil enzyme activities (dehydrogenase, phosphatase, urease) and total microbial counts (TMC). There were remarkable increase in enzyme activities and TMC in presence of earthworm c...

journal_title：Journal of environmental biology

authors： Kalam A,Tah J,Mukherjee AK

更新日期：2004-04-01 00:00:00

abstract：:In this study, biological degradation of non-polar monoaromatic compounds, benzene and toluene, by one of the white rot fungi, namely Trametes versicolor was analyzed and the biomass formed was determined. The studies were carried out in mediums which contain basic nutrients in certain amounts, toluene and benzene at ...

journal_title：Journal of environmental biology

authors： Demir G

更新日期：2004-01-01 00:00:00

abstract：:Duckweed (Lemna minor) a small vascular plant, grows rapidly, is sensitive to a wide variety of toxicants and is easy to culture. A method is described that measures duckweed frond growth, chlorophyll, protein and biomass content as indicator of growth inhibition. The physico-chemical analysis of anaerobically treated...

journal_title：Journal of environmental biology

authors： Chandra R,Srivastava A

更新日期：2004-01-01 00:00:00

abstract：:The survey of fish fauna in Kaveri River at polluted and unpolluted sites revealed a direct effect on the distribution of fishes in that 14 species were observed in unpolluted site and only 6 species in polluted site. Further, the haemotological parameters like RBC, WBC and haemoglobin content increased in fishes coll...

journal_title：Journal of environmental biology

authors： Saravanan TS,Mohamed MA,Chandrasekar R,Sundramoorthy M

更新日期：2003-10-01 00:00:00

abstract：:Indian bullfrog Haplobatrachus tigerinus (Daudin) was exposed to sublethal dose (1/3 of LC50 I.E. 1.166 mg/kg) of fenvalerate technical grade and the effect was studied on the specific activity of acetyl cholinesterase in the different tissues of frog viz., brain, muscle, liver, kidney and testis at different time per...

journal_title：Journal of environmental biology

authors： Tilak KS,Veeraiah K,Sastry LV,Rao JV

更新日期：2003-10-01 00:00:00

abstract：:Brainstem auditory evoked responses (BAER) were studied in a total of 194 boys in the age group between 10-15 yrs taken from a busy metropolitan city and also from a relatively quiet town in order to compare their values and to look into the probable cause of the difference between them, if any. BAER were tested with ...

journal_title：Journal of environmental biology

authors： Thakur L,Anand JP,Selvamurthy W

更新日期：2003-07-01 00:00:00

abstract：:The present study has been undertaken to evaluate physico-chemical parameters (pH, temperature, dissolved oxygen, free carbon dioxide, alkalinity and hardness) and zinc concentration in water bodies in and around Jaipur. Water samples from Jalmachal Lake, Nevta Lake, Amer Lake and Ramgarh Lake were analysed. Results r...

journal_title：Journal of environmental biology

authors： Srivastava N,Agrawal M,Tyagi A

更新日期：2003-04-01 00:00:00

abstract：:Skin darkened tadpoles sometimes appear spontaneously. Darkened was artificially induced in Xenopus larvae by yohimbine or chlorpromazine. These phenomena look like that are seen at pinealectomized or hypothalamus separated Xenopus larva. In this experiment, such a morphological color changed Xenopus larva is suggeste...

journal_title：Journal of environmental biology

authors： Sato E,Shibata K,Wu YX,Uezato T,Kobayashi K,Miura N

更新日期：2003-01-01 00:00:00

abstract：:Excess of cadmium (Cd) induced changes in oxidative scenario and water status of plants viz.., total water content, specific water content, water saturation deficit (WSD) and transpiration of Brassica juncea plants grown in soil pot culture. Although lower and marginal levels of excess cadmium (100 and 250 ppm) improv...

journal_title：Journal of environmental biology

authors： Singh PK,Tewari RK

更新日期：2003-01-01 00:00:00

abstract：:Selected insecticides, Chloropyrifos, Dichlorovos, Methyl parathion, Phorate and Methomyl, at concentrations ranging from 0 to 10 kg ha(-1) were tested for their non-target effects towards activity of phosphatases in two soils. In soil samples receiving 2.5 kg ha(-1) of the insecticides Dichlorovos, Phorate and Methom...

journal_title：Journal of environmental biology

authors： Madhuri RJ,Rangaswamy V

更新日期：2002-10-01 00:00:00

abstract：:The present communication deals with the bacteriological examination of a pond water, which is being used as one of the sources of drinking water, by multiple tube fermentation test to detect the coliform bacteria. The test was performed sequentially in three stages: presumptive, confirmed and completed coliform test....

journal_title：Journal of environmental biology

authors： Tarafdar B,Bhattacharyya RN

更新日期：2002-07-01 00:00:00

abstract：:The acute toxicity of unionized ammonia; nitrite and nitrate to the Indian major carp Catla catla (Hamilton) was determined using static and continuous flow through systems for 24 hours. The median lethal concentration (LC50) values for 24 h of ammonia (NH3-N), nitrite (NO2-N) and nitrate (NO3-N) were 0.045 mg/l, 120....

journal_title：Journal of environmental biology

authors： Tilak KS,Lakshmi SJ,Susan TA

更新日期：2002-04-01 00:00:00

abstract：:Catla catla, under the sublethal stress of cadmium exhibited depletion in food utilization parameters and it was concentration dependent. Heavy metal intoxication was found to exhibit reduction in biomass. ...

journal_title：Journal of environmental biology

authors： Vincent S,Ambrose T,Selvanayagam M

更新日期：2002-04-01 00:00:00

abstract：:Trichloroethylene (TCE) is widely used as an industrial solvent and cleaning fluid. In the present study the toxic effects of TCE inhalation on pulmonary and hepatic biotransformation enzymes in rats have been investigated by assay of aniline hydroxylase (AH), aminopyrine-N-demethylase (APD), benzo-a-pyrene hydroxylas...

journal_title：Journal of environmental biology

authors： Kumar P,Prasad AK,Mani U,Maji BK,Dutta KK

更新日期：2002-01-01 00:00:00

abstract：:Agricultural practices such as harvesting of crops cause the pathogens to disseminate in abundance and may cause diseases, like skin and respiratory allergies in an epidemic form. Also the farm workers were likely to be exposed repeatedly to high doses of fungal spore allergens from crop harvesting operations. At Srik...

journal_title：Journal of environmental biology

authors： Atluri JB,Murthy DV

更新日期：2002-01-01 00:00:00

abstract：:Protective efficacy of MPG (2-mercaptopropionyl glycine) was studied against the toxic effects of lead acetate in Swiss albino mice. The animals were treated with single dose of lead acetate @ 180, 200 and 250 mg/kg b.wt. in presence and absence of MPG. The results indicated that the body weight was slightly higher in...

journal_title：Journal of environmental biology

authors： Gautam AK,Agarwal K,Shah BA,Kumar S,Saiyed HN

更新日期：2001-10-01 00:00:00

abstract：:The effect of chronic exposure to carbofuran (4.5 ppm in static water) for six months on the gonadal histophysiology and hypothalamo-neurohypophyseal complex was studied in Channa punctatus. Experimental observations revealed significant inhibition of gonadal development with associated degenerative abnormalities as e...

journal_title：Journal of environmental biology

authors： Ram RN,Singh IJ,Singh DV

更新日期：2001-07-01 00:00:00