Organic substances, N and P from daily sewage and human production activities are the main causes for eutrophycation in freshwater. The interior surface waters of Vietnam, especially lakes and water reservoirs, are increasingly eutrophic, with the outbreak of microalgae, including toxic Cyanobacteria discovered in Microcystis aeruginosa, causing ecological imbalance and water quality decline.
Science and Technology News
Scientists and economic experts forecast that the 21st century is the century of oceans. Vietnam is among few nations that has marine exclusive economic zone of one million cubic kilometers. Therefore, the Party and the State gives special care to comprehensively developing the marine economy, considering that sea and island is a specific and important objective in the socio-economic development programme for the near future.
From May 17th to 19th 2013, at Da Lat city, the Central Highlands province of Lam Dong, the Vietnam Academy of Science and Technology (VAST) continued testing unmanned aerial vehicles (UAV) to confirm the automatic flying control system in the Central Highlands, in combination with taking photos and using spectrometers to serve VAST’s research in the Central Highlands Science and Technology Programme 3.
Two days after the successful launching of VNREDSat-1 satellite into its orbit on May 7th 2013, the VNREDSat-1 successfully took photos and transmitted them to the ground photo receiving stations in Vietnam and several places in the world. These photos are images of Phu Quoc Island in Vietnam, Melbourne in Australia and Rome – Italy.
A new species of the genus Gekko was discovered in Cao Bang Province (Vietnam) and Guangxi Province (China). The new species, Gekko adleri (Nguyen, Wang, Yang, Lehmann, Le, Ziegler & Bonkowski, 2013), was named after Prof. Kraig Adler, a famous herpetologist from the United States of America. Description of the new species was published in Zootaxa (No. 3652, May 2013) by a group of scientists from Vietnam, China and Germany.
In February 2013, scientists from the Institute of Tropical Biology under the Vietnam Academy of Science and Technology and Berlin Cave Association of the Federal Republic of German conducted a survey on the group of lava caves in Tan Phu area, the southern province of Dong Nai, along Highway 20 from the Central Highlands of Da Lat city.
- Vietnam successfully tests first unmanned aerial vehicle in Vietnam
- A study of technology on production of Ni-Cr-Mo-Ti dental superalloy for teeth restoration technique
- Addition of an enset to the Vietnamese flora
- Studying and producing exact measuring devices
- Discovery of a new snake species from Vientiane Province, Lao PDR