EVALUATION OF SPATIAL VARIATION AND NUTRITIONAL STATUS OF ENVIRONMENTAL QUALITY IN THE SURFACE SEAWATER FROM FISHING HARBOURS OF HAINAN ISLAND

Evaluation of spatial variation and nutritional status of environmental quality in the surface seawater from fishing harbours of Hainan island

To investigate the nutrient distribution characteristics and the eutrophication status of the main fishing ports in Hainan Province, this study analyzed the 2021 seawater quality indicators, including biochemical oxygen demand (BOD5), chemical oxygen demand (COD), chlorophyll Measuring Tape a (Chl a), ammonia nitrogen (NH4-N), nitrite nitrogen (NO2

read more

Taxonomy of the ant genus Nesomyrmex Wheeler (Formicidae, Myrmicinae) in the Afrotropical region, with a review of current species groups and description of a new species of the N. angulatus group from Mozambique

This study reviews the taxonomy of the ant genus Nesomyrmex Wheeler, 1910 in the Afrotropical region.Previous revisionary studies are discussed Decorative Art and four species groups are proposed on the basis of external morphology.The N.angulatus group contains seven species that are widely distributed throughout the whole Afrotropical region, wit

read more

Distribution Network Security Situation Awareness Method Based on the Distribution Network Topology Layered Model

Distribution network security situation awareness refers to the process of perception, understanding, and state projection of systems, elements, and environmental factors within a certain space-time volume.Security situation awareness is an important part of the security assessment of the distribution network.In response to the rapid and accurate d

read more