ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
Using the static chamber method, CO2 flux across the water-air interface of Nihe reservoir was measured for 24 hours over a one-year cycle in China. Gas ebullition and gas emission in winter was not considered in this study. According to our results, Nihe reservoir was a total carbon source (690.42 ...
In order to study the pollution of heavy metals and their effect on aquatic, heavy metal contamination and influence of surface sediment in Hebei Province coastal, China were investigated and evaluated by the average enrichment factors method and the logarithmic attenuation method. The results reveal ...
The vegetation plays an important role in island ecosystems, it is necessary to explore a fast and effective evaluation approach of vegetation ecology in resource management. As we know, the remote sensing has the advantages of real time, dynamic, and large-scale synchronous observation. Using the remote ...
Longfeng wetland reserve is one of China's largest urban wetland and plays a significant role in the sustainable development of the urban eco-environment in Daqing city. However, The landscape pattern of Longfeng wetland reserve has undergone a significant change as a result of accelerated urbanization. ...
A concentration of 1.2×108 cfu/mL Bacillus coagulans YX-6 was poured into the shrimp culture ponds with the concentration of 1000mL/667m2, and the water quality such pH, DO, NH4+_N content, NO2−_N content, and the death quantity of the shrimp were studied for 7 days. It was demonstrated that the Bacillus ...
Great attention has been given to the energy. As the large energy consumption province, energy security issues become increasingly prominen, accelerating new energy development is necessarily in Hebei province. The author uses SWOT analysis method to analyze the influence factors of new energy development ...
The process of Chinese urbanization and rural development has developed to a stage of urban-rural integration. Due to the impact of urban culture and villagers' spontaneous desire for urban civilization, villages and rural communities are in a tendency of convergent compounds, the traditional rural ...
Super-hydrophobic magnetic Fe/SiO2 tablets with a lotus-leaf-like surface were fabricated by a simple material process method. The morphological features, characterised by field emission scanning electron microscopy, showed that the microstructure of the surface changed obviously after being sintered ...
Growth performance and reduced stress response are traits of major interest in fish production. Growth and stress-related quantitative trait loci (QTL) have been already identified in several salmonid species, but little effort has been devoted to charrs (genus Salvelinus). Moreover, most QTL studies ...
Background and Objective Streptococcosis/lactococcosis is the cause of high morbidity and mortality in aquaculture sector and to date a number of species of Streptococcus and Lactococcus genera including S. iniae, S. agalactiae, S. dysagalactiae, S. parauberis, S. feacalis, L. garvieae and L. lactis ...
Summary Abstract Sharks and other large predators are scarce on most coral reefs, but studies of their historical ecology provide qualitative evidence that predators were once numerous in these ecosystems. Quantifying density of sharks in the absence of humans (baseline) is, however, hindered by a ...
A robot accepted by animals as conspecifics is a very powerful tool in behavioral biology, particularly in studies of gregarious animals. In this paper we present a robotic zebrafish designed for experiments on the collective animal behavior. The robot consists of two modules: a replica fish fixed on ...
Chongming Island is the world's largest alluvial island, in which river ecosystem is a major component of the terrestrial surface water ecosystem. Using the methods of environmental economics, such as market valuation method, shadow engineering method and protection costs method, the values of river ...
The integrated index values of ecological criteria of Tai Lake in China were calculated based on the variety of plankton communities in the waters and external environmental stresses. Considering the guideline for biological criteria issued by the U.S. Environmental Protection Agency (USEPA) and combining ...
Analysis of the 16 polycyclic aromatic hydrocarbons (PAHs) of the US Environmental Protection Agency priority pollutant list was carried out in sediment samples of an industrial port in the southern Kaohsiung Harbor of Taiwan which is supposed to be extensively polluted by industrial wastewater discharges. ...
Phytoplankton is the primary producer of the ocean. The variation of its variety and quantity will control the secondary productivity as well as the biomass of fish and other marine animal resources. Diatoms play an important role in the food web of the sea. Though many studies on the phytoplankton ...
This study investigated the spatial and temporal distributions of Chlorophyll-a (Chl-a) in Sabah coastal water using satellite data, and identified the associated oceanographic events which caused large scale water enrichment in the surface layer. Results showed that surface Chl-a experienced seasonality ...
One of the ways criminals steal identity in the cyberspace is using phishing. Attackers host phishing websites that resemble a legitimate website and entice users to click on hyperlinks which directs them to these fake websites. Attackers use these fake sites to capture personal information such as ...