Study of biological characteristics

Researching objectives: Describing some biological characteristics and distribution of Zingiber and Hedychium species from north-central Vietnam; determining the essential oil chemical composition; antimicrobial and antimosquito larvae activities of essential oils of some Zingiber and Hedychium species from north-central Vietnam.

27p beloveinhouse01 15-08-2021 31 5   Download

Immediate objective: Identification of the seaweed species composition and its distribution characteristics; evaluation of economic potential seaweed species to establish and manage its exploitation and conservation areas in Phu Yen province.

25p beloveinhouse01 15-08-2021 30 3   Download

Objective of the study:Research some reproductive biology characteristics and identify technical solutions for artificial breeding of saddleback clownfish Amphiprion polymnus (Linnaeus, 1758).

29p tunelove 11-06-2021 19 3   Download

Main activities of the study: Study on reproductive characteristics of tripletail in captive condition. Study on broodstock management and husbandry. Study on induce breeding. Study on nursing from larvae to fry and fingerling.

31p tunelove 11-06-2021 41 3   Download

Objectives of the study: Determination of technical parameters such as variety, nutrition, EC, pH, planting density and harvest time, which are suitable for growth, quality of spinach grown on recirculating hydroponic systems. From there, evaluation the effects of using artificial light (luminescence spectrum and light intensity) on the growth, yield and quality of spinach grown on recirculating hydroponic systems indoor.

26p thebadguys 08-06-2021 29 4   Download

Aim of the research: The project is aimed to yield the composition and distribution of solitary wasps of the family Sphecidae in several provinces of the northwest part of Vietnam, new species to science and new species to Vietnam, and addition of some new biological, ecological, and behavioral characteristics of the mud dauber wasp S. madraspatanum. These results will be scientific base to next studies on the family Sphecida in the future.

26p extraenglish 24-05-2021 16 2   Download

Objectives of study: To identify natural enemies for stored - product pests in Dong Thap province. To study biological and ecological characteristics of A. calandrae. To evaluate the ability to control S. zeamais and L. serricorne by A. calandrae in laboratory conditions.

28p extraenglish 24-05-2021 26 3   Download

Research objectives: To determine the nutritional, reproductive characteristics of wild blotched snakehead as a scientific basis for developing its breeding and nursery techniques; to establish a number of specifications in the production of blotched snakehead in artificial conditions.

26p capheviahe27 23-02-2021 10 1   Download

The project is aimed to yield the composition and distribution of solitary wasps of the family Sphecidae in several provinces of the northwest part of Vietnam, new species to science and new species to Vietnam, and addition of some new biological, ecological, and behavioral characteristics of the mud dauber wasp S. madraspatanum. These results will be scientific base to next studies on the family Sphecida in the future.

26p capheviahe27 23-02-2021 22 3   Download

To provide scientific data on biological characteristics, breeding techniques, nursing and grow-out of Helmet Catfish - Cranoglanis bouderius (Richardson, 1846) in culture condition of Nghe An province. The success of the thesis will greatly contribute the basic knowledge to develop the seed production technique that can help to support the seed resources for commercial culture models and gene resources conservation for this species.

28p capheviahe27 23-02-2021 17 4   Download

Research objectives: To determine the nutritional, reproductive characteristics of wild blotched snakehead as a scientific basis for developing its breeding and nursery techniques; to establish a number of specifications in the production of blotched snakehead in artificial conditions.

26p capheviahe26 25-01-2021 14 2   Download

This thesis provides a list of natural enemy species for agricultural insect pests in Dong Thap Province. Data about morphological, biological, behavioral and ecological characteristics of A. calandrae parazitizing L. serricorne is also obtained. Besides, the ability to control S. zeamais and L. serricorne was shown in this study.

28p capheviahe26 25-01-2021 28 4   Download

This study aims to provide basic knowledge of carbon storage capacity and communities characteristics of seagrass beds in some typical coastal lagoons in the central of Vietnam. These important knowledges will be applied to activities of conservation, caculation of the carbon market, and reducing CO2 emissions in the future in Vietnam.

31p larachdumlanat129 20-01-2021 20 3   Download

This dissertation focuses on establishing the process of manufacturing bimetallic Fe / Cu internal electrolysis nanomaterial, thereby studying some characteristics correlation between corrosive line and TNT decomposition kinetics and time. Setting and optimizing the internal electrolysis process by bimetal Fe / Cu nanomaterials combined with biological method A2O-MBBR (moving bed Biological reactor) to treat TNT wastewater at laboratory scale and Pilot scale at the scene.

27p larachdumlanat129 20-01-2021 22 3   Download

The research objectives of the thesis determine the diversity and distribution characteristics of amphibian species (EN) in some limestone areas of Northern Vietnam. Species composition and genetic relations of two species of Limnonectes and Odorrana frogs in Vietnam. Conservation values ​​and threats to frog species in the study area and recommendations for conservation. To know the detailed research content, invite you to consult the thesis.

28p xacxuoc4321 11-07-2019 34 4   Download

The thesis aims to obtain data on freshwater crustacean composition in the water bodies of Phong Nha - Ke Bang National Park. Identify the characteristics of quantity distribution of freshwater crustaceans in the study areas along with the changes of this group in terms of space and climate season. Proposing solutions to conservation of specific and important types of SE in limestone areas of Phong Nha and Quang Binh national parks.

27p xacxuoc4321 11-07-2019 63 5   Download

The general objectives of the study are to evaluate the status and to find out scientific basis to develop freshwater prawn culture in brackish water, in order to diversify culture systems and species, to stabilize social-economics for inhabitants, and to adapt to the issues of sea level rise and saltwater intrusion in Mekong Delta.

25p change05 08-06-2016 41 3   Download

Goal It is to provide scientific arguments about the biological characteristics, and reproductive and rearing techniques of Channa lucius. The success of the project will contribute greatly to the development process of Channa lucius hatchery to supply artificial fish for aquaculture systems and renewable fish resources in the wild in the Mekong Delta as well as in the whole country.

28p change05 08-06-2016 50 3   Download

Research objectives: Supplement and complete a biodata and production technics of a native species with high economic values; the findings of the study are references for future researches, curriculums, technical officers, advisors and students; the study is also expected to build a technical guidance for producing Phay’s seedlings contributing to development andproduction of Phay, a native large-timber species, in Bac Kan province and other provinces with similar natural conditions.

27p change03 06-05-2016 54 4   Download

Research objectives: It is to determine agrobiological features as a scientific basis for the study of the mechanism creating seedless fruits, and to intervene with technical measures in order to improve productivity and quality of fruits of citrus trees. It is to study applications of some technical measures to improve productivity and quality of fruits in some citrus tree cultivars.

27p change03 06-05-2016 45 4   Download