ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
In this article an attempt is made to study the highly complex and is characterized by high content of organic, inorganic and chromium, suspended solids and dissolved solids present in Tannery waste water. Treatment of tannery waste water is carried out by physical, chemical, biological or the combination ...
Vibrio cholerae(V. cholerae) is a component of coastal and estuarine microbial ecosystems, with the copepod species of zooplankton that comprise the aquatic fauna of rivers, bays, estuaries and the open ocean serving as host for the bacterium. There is a remarkably strong association between cholera ...
This study provides the capability of mapping, monitoring distribution and changes of regional mangroves using remote sensing data. The study area located in Mekong delta, Vietnam. Landsat ETM+ and digital elevation model (DEM) were used to enhance the discrimination between mangrove and non-mangrove ...
Recently some types of quasi-circular patchy vegetations have been found and proved by high spatial resolution satellite remote sensing images and field investigations in the Yellow River Delta. In order to facilitate the monitoring of vegetation extension and quantify the mechanism of vegetation patch ...
Panchromatic Remote-sensing Instrument for Stereo Mapping 2 (PRISM-2), which will be used for the next high spatial resolution global land observation mission, will extend the capabilities of earlier Advanced Land Observing Satellite (ALOS) missions. PRISM-2 will be able to collect wide-swath (50 km) ...
As manually correcting error in visual interpretation data is both costly and labor intensive, the automated error detection and correction approaches is in need. In this paper, a prototype method is developed to detect and correct errors in visually interpreted landuse data. This method involves image ...
We investigate an approach of predicting marine sensor data in short-term using fuzzy clustering. The proposed method uses the similar pattern sequences with their weights using fuzzy clustering for prediction. Experimental results show that the proposed method helps in improving the accuracy in prediction ...
We present an application of spatial-temporal prediction to track algal blooms. Algal bloom is an important water quality events in marine, coastal and estuarine environments. For a day, we first identify an area with anomalous algal growth represented by spatial points in the gridded data where values ...
Compensatory growth (CG) is a period of accelerated growth that occurs following the alleviation of growth-stunting conditions during which an organism can make up for lost growth opportunity and potentially catch up in size with non-stunted cohorts. Fish show a particularly robust capacity for the ...
In studies of consistent individual differences (personality) along the bold-shy continuum, a pattern of behavioral correlations frequently emerges: individuals towards the bold end of the continuum are more likely to utilize risky habitat, approach potential predators, and feed under risky conditions. ...
Juvenile noble crayfish, Astacus astacus ( Crustacea, Astacidea) in the second year of age were kept in the laboratory for a twelve-month period under continuing “summer conditions” (LD 16:8, 19°C). Molting processes in this population could be synchronized by artificial moonlight cycles. Peaks of exuviations ...
Embryonic development and morphological characteristics of Japanese devil stinger Inimicus japonicus during early life stage were investigated. Larvae were hatched out 50 h after fertilization at temperature 21°C. Total length of the newly hatched larva was 4.03 mm, the mouth of the larva opened at ...
Rotifers have attracted the attention of biologists for well over 200 years. Interest in these exquisite animals rests in their diverse morphology, short generation time resulting in high growth rates, ability to withstand desiccation, and wide distribution, coupled with evidence of cryptic speciation. ...
Introduction The paper presents the methodology and the algorithm developed to analyze sonar images focused on fish detection in small water bodies and measurement of their parameters: volume, depth and the GPS location. The final results are stored in a table and can be exported to any numerical environment ...
The aim of this study was to investigate the possible protective role of sodium selenite on aflatoxin B1-induced oxidative stress and apoptosis in spleen of broilers. Two hundred one-day-old male broilers, divided into five groups, were fed with basal diet (control group), 0.3 mg/kg AFB1 (AFB1 group), ...
As a major indicator of lake eutrophication that is harmful to human health, the chlorophyll-a concentration (Chl-a) is often estimated using remote sensing, and one method often used is the spectral derivative algorithm. Direct derivative processing may magnify the noise, thus making spectral smoothing ...
Ichthyologists, natural-history artists, and tropical-fish aquarists have described, illustrated, or photographed colour patterns in adult marine fishes for centuries, but colour patterns in marine fish larvae have largely been neglected. Yet the pelagic larval stages of many marine fishes exhibit subtle ...
Abstract Legally certified sturgeon fisheries require population protection and conservation methods, including DNA tests to identify the source of valuable sturgeon roe. However, the available genetic data are insufficient to distinguish between different sturgeon populations, and are even unable ...
Biomass assessment of small pelagic fish stocks with acoustics depends on the use of scientific echo sounders that transmit/receive acoustical energy, quantify the echoes and generate the parameter Nautical Area Scattering Coefficient (NASC), proportional to the density of the live targets detected ...
Two acoustic assessment cruises were carried out (February, 2010 and January,2011) in three, 10 by 10 nautical mile exploratory oil blocks, previously to the start of the drilling operation, within a sardine (Sardinella brasiliensis) fishing area. Biological data were collected with zooplankton and ...