Ecological systems

A study on the snail species composition and their cercariae was conducted in eight sixth-level canals across three inland districts in Ho Chi Minh City, namely Cu Chi, Hoc Mon, and Binh Chanh. The time of the study was in January 2022 (the dry season) and July 2022 (the wet season).

9p viling 11-10-2024 1 0   Download

This study was conducted to investigate the residual of Chlorpyrifos (CPF) in coffee growing soil at Lam Ha district, Lam Dong province. Fifteen soil samples were collected from coffee intensive gardens in the Phi To, Nam Ha, Me Linh and Dong Thanh communes of Lam Ha district during the February 2023.

9p vibecca 01-10-2024 2 1   Download

This study investigates the impact of climate change (CC) on water resources in Phu Yen province, Vietnam by assessing historical trends of temperature, rainfall and flood simulation scenarios from a report of Vietnam of the Ministry of Natural Resources and Environment in 2020.

14p viyoko 01-10-2024 1 0   Download

In this work, the electrochemical behavior of lead has been investigated with sensitive, fast and simple different pulse anodic stripping voltammetry (DPASV) method. This preliminary work is an initial step toward the fabricating one type of electrochemical sensors used for sensitive determination of Pb (II) at trace concentration.

8p viyoko 01-10-2024 4 1   Download

The increase in solid waste volume and change in composition due to urban development cause negative effects on the marine ecological environment. The aim of this study was to assess the amount of plastic waste leaking into the environment from the municipal solid waste (MSW) management system and propose mitigation measures towards sustainable development in Hue city, Viet Nam.

15p vifaye 20-09-2024 2 1   Download

This research thesis seeks to understand how governments, the legal system and the people responsible for construction can be encouraged to incorporate sustainable design in all building developments. Most important within this research is to question the lack of checks of ESD conducted from the planning permit through to the construction phase or on completion of a building.

160p runthenight07 01-03-2023 8 2   Download

Classify landscape ecology system and establish maps of landscape ecology in Son La province; clarify the changes of landscape ecology in Son La over time (from 2005 to 2015); identify the scientific foundations based on studing landscape ecology to orientate rational territory use in agriculture, forestry and conservation

27p capheviahe27 23-02-2021 16 6   Download

The thesis aims to: Classify landscape ecology system and establish maps of landscape ecology in Son La province. Clarify the changes of landscape ecology in Son La over time (from 2005 to 2015). Identify the scientific foundations based on studing landscape ecology to orientate rational territory use in agriculture, forestry and conservation.

27p xacxuoc4321 09-07-2019 29 7   Download

Our study aimed to investigate the acidity status of mangrove soils in the ecological shrimp system to forecast their potential acidification risks. Results indicated that there were slight increases of soil acidity. High content (>5%) of soil organic carbon (SOC) in the depth of 0 – 80 cm is one of the main contributors to soil pH buffering capacity, and may help reduce sharply soil acidity changes.

7p bautroibinhyen16 09-02-2017 36 1   Download

(BQ)Part 1 book Theories in Social work action provides the knowledge the People on cheir invironments include: The Ecological systems metaphor in Australasia, an ecological understanding of HIV practice in South Africa,... Invite you to reference.

94p doinhugiobay_15 22-02-2016 49 6   Download

Lecture Political Ecology of Dr. Annuska Derks is about: Identifying broader system, viewing ecological systems as power-laden, taking an explicitly normative approach.

10p votinhdon91 15-08-2014 40 3   Download

Human behavior in the social environment systems theory and the ecological perspective provided the medical model an early model for social work practice,the systems ecological perspective, biological influences,review bio psycho social influences, systems, boundaries,a change in one part of a system affects all partshomeostatic disequilibrium adaptation, the family as a social system.

23p thuytrangseven 27-08-2014 85 6   Download

The increasi1ng level of heavy metals in the water environmental represents a serious threat to human health and ecological systems. These contaminants must be removed from water resources. Various treatment technologies have been developed. In this paper, the potential of removing heavy metals from aqueous solution by using porous aluminosilicate was studied. The solid sorbents were synthesized by reaction of sodium silicate and alumino sulfate with sol-gel method.

5p tuanlocmuido 13-12-2012 61 7   Download

Words can easily borrow, but the meaning of love from the heart of a people is difficult to describe. So I want to ask for forgiveness from the people that support can not be appreciated in the words and from those who, by any chance, I forgot to mention. First of all what I want to thank prof. dr.ir. Wind Herman and his wife - Joke. The interviews with prof. Wind held in Bangkok and his decision has helped me to be here, at the University of Twente, to carry out my doctoral research. Herman and Joke, I will never forget...

139p gauhaman123 17-11-2011 64 11   Download

Average depth model has a variety of applications in hydraulic engineering, especially in applications that flow depth is much smaller than the width of the flow. In this method the vertical variation is negligible and the hydraulic variables average integrated from channel bed to the surface free for the vertical axis. in equations arising management, pure hydrostatic pressure is assumed that not really valid in the case of flow in the bed is curved and can not be described curvature effects of the bed.

127p gauhaman123 17-11-2011 105 16   Download

Collection of reports on forestry research is published in the journal International Forestry topics: Ecological aspects of the floral phenology of the cork-oak (Q suber L): why the Annual and Biennial biotypes appear?

8p toshiba7 08-10-2011 37 4   Download

Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học Journal of Biology đề tài: The water flea Daphnia - a ‘new’ model system for ecology and evolution?

4p toshiba4 07-09-2011 59 7   Download

Natural resource managers and conservationists are coming to grips with the fact that rapid global warming and associated climate changes are already having a considerable impact on the world’s ecological systems. More and larger shifts are expected, even in the best-case scenarios for greenhouse gas emissions reductions and future warming. These climate changes are ushering in a fundamental shift in natural resource management and conservation, to help natural systems withstand and adapt to new climate conditions.

69p todaysofine 21-06-2010 130 10   Download

Wetland can be understood as an ecological system lie on a continuum between uplands, where excessive water is not a factor for plant growth, and deeply flooded lands, or aquatic systems, where flooding excludes rooted emergent vegetation. Figure 1 shows how to describe this wetland concept

0p haivan 16-03-2009 147 48   Download