World Rural Observations
(World Rural Observ)
ISSN:
1944-6543 (print); ISSN: 1944-6551 (online),
doi:10.7537;
Quarterly
Volume 9 - Number 2 (Cumulated No. 32), June 25, 2017
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CONTENTS
No.
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Titles /
Authors /Abstracts
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Full Text
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No.
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1
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Potentials of Rural Youth
Agripreneurship in Achieving Zero Hunger
1Barau,
A. A. and
2Afrad, M. S. I.
1PhD
Fellow Department of Agricultural Extension and Rural
Development,
Bangabandhu Sheikh Mujibur Rahman Agricultural University, Salna,
1706, Gazipur, Bangladesh
2Professor
Department of Agricultural Extension and Rural Development,
Bangabandhu Sheikh Mujibur Rahman Agricultural University, Salna,
1706, Gazipur, Bangladesh
Corresponding author:
akilutsafe@yahoo.com
Abstract:
Rural youth constitutes 55 percent of the global youth
population and up to 70 percent in Sub Saharan Africa and South
Asia. With the predominance of agricultural occupation in the
rural area, rise in unemployment, rapid population increase
without commensurate food output and the need to achieve Zero
Hunger by 2030 as a Sustainable Development Goal, rural youth
provides a prospect. But then, to match the present day youth’s
needs, meet the market demand and achieve sustainability in the
efforts to attain Zero Hunger, agripreneurship becomes
necessary. Thus, this paper examined rural youth agripreneurship,
Sustainable Development Goal 2: Zero hunger, potential of rural
youth agripreneurship in achieving Zero hunger and various ways
for engaging rural youth in agripreneurship for the achievement
of Zero Hunger. Rural youth agripreneurship entails practicing
of agriculture by the rural youth on the ideals of
entrepreneurship. Globally, there seems to be fluctuating and
slow rate of successes in the efforts towards Zero Hunger (only
4% decline between 2000-2002 and 2014-2016). Notwithstanding, an
array of potentials for agripreneurship exist; given the number
of rural youth (55%), world population increase and numerous
activities in the agricultural value chain. By and large, a
comprehensive approach is needed to engage rural youth in
agripreneurship for the achievement of Zero Hunger.
[Barau, A. A. and Afrad, M. S. I.
Potentials of Rural Youth Agripreneurship in Achieving Zero
Hunger.
World Rural Observ
2017;9(2):1-11]. ISSN:
1944-6543 (Print); ISSN: 1944-6551 (Online).
http://www.sciencepub.net/rural.
1. doi:10.7537/marswro090217.01.
Keywords:
Agripreneurship, Development, Hunger, Rural, Sustainable, Youth,
Zero. |
Full Text |
1
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2
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Physicochemical Characteristics of Groundwater obtained from
Bodo Community in Gokana Local Government Area of Rivers State
Chinedu Azubuike Uzor and Fubara Alex
Department of Science Laboratory Technology, School of Science
and Technology, Port Harcourt Polytechnic, Rumuola, P.M.B. 5936,
Port Harcourt, Rivers State
Corresponding author’s e-mail:
uzorchinedu@yahoo.com
Abstract:
Bodo community is situated in Ogoniland where oil exploration
and exploitation has had its positive and negative impact on the
environment. In recent times, water pollution is a top priority
in environmental health concerns. The quality of water for
domestic activities is affected by conditions of water supply
system which are prone to contamination sources. Some physical
and chemical characteristics of groundwater from wells in Bodo
community were studied for three months (March to April) to
assess the potability of the waters obtained by the people. A
total of 30 water samples collected from 10 randomly selected
private wells in the area were analysed using standard
analytical techniques and instruments. Most of the
physicochemical parameters (pH, Conductivity, Turbidity, Total
hardness, Calcium hardness, Magnesium hardness, Chemical Oxygen
Demand, Total Dissolved Solids, Copper, Zinc, Iron,
Lead, Cadmium, Nickel, Potassium and
Chromium) analyzed were within the Permissible levels of
physicochemical parameters in drinking water set by the Nigerian
Industrial Standards for Drinking Water Quality and the World
Health Organization Guidelines for Drinking Water.
[Uzor, C. A and F.
Alex. Physicochemical Characteristics of Groundwater obtained
from Bodo Community in Gokana Local Government Area of Rivers
State.
World
Rural Observ
2017;9(2):12-15]. ISSN: 1944-6543 (Print); ISSN: 1944-6551
(Online).
http://www.sciencepub.net/rural.
2.
doi:10.7537/marswro090217.02.
Key words:
Oil exploration and exploitation, water pollution, groundwater,
Bodo community. |
Full Text |
2
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3
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Credit risk evaluation of local government debt in Jiangsu
Province
Dianhong ZHENG1, Changsheng LI1*
1School
of Humanities and Social Sciences, Harbin Institute of
Technology, China
*Correspondence auther. E-mail:
lichangsheng100@163.com
Abstract:In
the process of economic development, local government’s capital
demand is expanding. With the acceleration of economic
development and industrialization and urbanization process,
local government needs more capital for local economic
enhancement. Debt financing has become a major source of a local
government method to capital. local government debt default
situation is evaluated on the basis of recognition of Jiangsu
province local government debt risk, structural risk, management
risk and external risk, by comparing the four kinds of modern
credit risk measurement model, selecting the appropriate KMV
model, recognizing general budget revenue of Jiangsu province
from 1994 to 2014 as a sample and constructing a quadratic curve
which estimate annual revenue from 2015 to 2019.
[Dianhong ZHENG, Changsheng LI.
Credit risk evaluation of local government debt in Jiangsu
Province.
World Rural Observ
2017;9(2):16-22]. ISSN:
1944-6543 (Print); ISSN: 1944-6551 (Online).
http://www.sciencepub.net/rural.
3. doi:10.7537/marswro090217.03.
Keywords:
local government debt, credit risk, KMV model |
Full Text |
3
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4
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Rainfall-Runoff Characteristics Of A Rural Settlement, A Case
Study Of Ogbogoro, Niger Delta Nigeria
Chukwu-Okeah G.O1
Ikebude, C.F2
1Department
of Geography and Environmental Management, University of Port
Harcourt
2Department
of Civil and Engineering, University of Port Harcourt
giftchukwuokeah@yahoo.com
Abstract:
The aim of this study was to ascertain runoff generation
processes in tropical climate. The study set two objectives,
first to establish a reliable relationship between rainfall and
runoff; secondly to determine the role of runoff on increasing
surface erosion. The total area studied is about 2,562 acres.
Using rainfall data for a period of 12 years 1990-2002, the
intensity of rainfall for every year was calculated and in order
to determine run off in the area, the rational equation was used
and this revealed the total yearly run off in the area. The
study revealed that run off in the area is significantly related
to rainfall, and that the rate of erosion in the area is
increasing. The study also stated that if measures to curtail
this is not put in place the people in the area will experience
more erosion that could lead to loss of properties, life’s and
their sources of livelihood. It also revealed that this could
lead to a case of total submergence, especially in the face of
global climate change. Hence, the study recommends that the
development of drainage lines will help in curtailing the rate
of erosion in the area even in the face of rising runoff and
increased water discharge amidst global climate change.
[Chukwu-Okeah
G.O Ikebude, C.F.
Rainfall-Runoff
Characteristics Of A Rural Settlement, A Case Study Of Ogbogoro,
Niger Delta Nigeria.
World Rural Observ
2017;9(2):23-26]. ISSN: 1944-6543 (Print); ISSN: 1944-6551 (Online).
http://www.sciencepub.net/rural.
4. doi:10.7537/marswro090217.04.
Keywords:
rain fall, run off, erosion, climate change, discharge. |
Full Text |
4
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5
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Impact Of Coastal Flooding On Fish Production In Brass, Niger
Delta Nigeria, Implication For Coastal Resource Management.
Chukwu Okeah G.O, Wekpe, V.E1 & Ikebude, C.F2
1Department
of Geography & Environmental management, University of Port
Harcourt.
2Department
of Civil Engineering, University of Port Harcourt.
giftchukwuokeah@yahoo.com
Abstract:
In recent times, the deteriorating state of the rivers have
begin to gain prominence, this is because there have being a
reduction in fish catch and the economy of the fishermen and
women who depends on this as their source of livelihood. Due to
the fragile nature of the Niger Delta and the turn out of
climate change which has lead to excessive rainfall and intense
heat, the area has been in so much pains as their only source lo
livelihood is been affected. In this study two fishing ports
were used and from a water sample analysis it showed that
although flooding in the area to an extent affects the quality
of water as well as the state of fishes, but the most is the
activities of man arising from the use of water bodies as
dumpsites for refuse and toilets and oil spills from industrial
activities of multinational companies and sand dredging.
Therefore the study recommends that Government and the private
sector should see that within these delicate areas developmental
projects that have true bearing on the lives of the people are
put in place as to reduce the use of water bodies as the only
source of dumping refuse and toilets and that fishermen and
women in these areas should be encouraged by way of training and
provision of modern fishing equipments as to meet up the demands
for fish and improve their own economy.
[Chukwu
Okeah G.O, Wekpe, V.E & Ikebude, C.F.
Impact Of Coastal
Flooding On Fish Production In Brass, Niger Delta Nigeria,
Implication For Coastal Resource Management.
World Rural Observ
2017;9(2):27-33]. ISSN:
1944-6543 (Print); ISSN: 1944-6551 (Online).
http://www.sciencepub.net/rural. 5. doi:10.7537/marswro090217.05.
Keywords:
flooding, costal development, climate change, anthropogenic
activities. |
Full Text |
5
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6
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Sediment Transport And Its Impact On Channel Morphology Of
Forested Streams: The Case Of Chinda Creek In Ogbogoro Niger
Delta, Nigeria
Chukwu-Okeah G.O1,
Ikebude, C.F2
1University
of Port Harcourt, Department of Geography & Environmental
Management
2University
of Port Harcourt, Department of Civil Engineering
giftchukwuokeah@yahoo.com
Abstract:
The study was conducted in Chinda creek a section of the New
Calabar River, using 30 sample points with an interval of 21.4m
each. Measurement of the cross sectional area was done using the
Cuencea (1989) formula and Chang et al (2000) formula for
sediment transport. Alongside this the US BLH 84 sediment
sampler and the Depth-Integrating Suspended-Sediment Sampler
Model DH 48 was used for collecting data on both the suspended
load sediment yield and the bed load sediment yield. The result
of the study revealed an insignificant relationship between
sediment transport (suspended load sediment yield and bed load
sediment yield) and channel morphology. The co-efficient of
determination of each of the two independent variable showed
that an insignificant 10.89% variation in channel morphology is
explainable by each of the independent variable. This means that
their contribution to change in the channel form of Chinda creek
is insignificant. The study revealed that there are several
other factors that contribute to channel form change not only
sediment transport and as such studies aim at identify these
factors were recommended.
[Chukwu-Okeah
G.O
Ikebude, C.F.
Sediment Transport And Its Impact On Channel Morphology Of
Forested Streams: The Case Of Chinda Creek In Ogbogoro Niger
Delta, Nigeria.
World Rural Observ
2017;9(2):34-36]. ISSN: 1944-6543
(Print); ISSN: 1944-6551 (Online).
http://www.sciencepub.net/rural.
6.
doi:10.7537/marswro090217.06.
Key words:
sediment transport, bed load sediment yield, suspended load
sediment yield, channel morphology, change, channel form. |
Full Text |
6
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7
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Potential of Non-Conventional Energy Resources in Ahmednagar
District
Kelkar Gautam1,
Rathod V. R.2
Research Scholar1,
Associate Professor2
School of Earth Sciences, Swami
Ramanand Teerth Marathwada University, Vishnupuri, Nanded 431606
(Maharashtra) India.
E-mail:
gautam.kelkar20@gmail.com
Abstract:
Energy is one of the most
important building block in human development and as such, acts
as a key factor in determining the economic development of all
nations. India is blessed with an abundance of sunlight, water
and biomass. Ahmednagar is one of the wildest rising
metropolises in the state of Maharashtra. Ahmednagar is facing
challenges of energy crises. Energy demand of urban is
continuously increasing However, resource augmentation and
growth in energy supply have failed to meet the ever-increasing
demands exerted by the multiplying population, rapid
urbanization and progressing economy. The potential of
non-conventional energy resources in the study area has good
opportunity. This scope has been mainly observed in this paper.
This information generated in this study can help appropriately
to assess the non-conservational energy benefits only if
beneficial efforts for urban developers.
[Kelkar
Gautam, Rathod V. R.
Potential of Non-Conventional Energy Resources in Ahmednagar
District.
World Rural Observ
2017;9(2):37-43]. ISSN:
1944-6543 (Print); ISSN: 1944-6551 (Online).
http://www.sciencepub.net/rural.
7.
doi:10.7537/marswro090217.07.
Keywords:
Ahmednagar, Energy Resource, Non-Conventional, Solar, Wind
energy, Solid waste |
Full Text |
7
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8
|
Physicochemical Characteristics of Groundwater obtained from
Bodo Community in Gokana Local Government Area of Rivers State
Chinedu Azubuike Uzor and Fubara Alex
Department of Science Laboratory Technology, School of Science
and Technology, Port Harcourt Polytechnic, Rumuola, P.M.B. 5936,
Port Harcourt, Rivers State
Corresponding author’s e-mail:
uzorchinedu@yahoo.com
Abstract:
Bodo community is situated in Ogoniland where oil exploration
and exploitation has had its positive and negative impact on the
environment. In recent times, water pollution is a top priority
in environmental health concerns. The quality of water for
domestic activities is affected by conditions of water supply
system which are prone to contamination sources. Some physical
and chemical characteristics of groundwater from wells in Bodo
community were studied for three months (March to April) to
assess the potability of the waters obtained by the people. A
total of 30 water samples collected from 10 randomly selected
private wells in the area were analysed using standard
analytical techniques and instruments. Most of the
physicochemical parameters (pH, Conductivity, Turbidity, Total
hardness, Calcium hardness, Magnesium hardness, Chemical Oxygen
Demand, Total Dissolved Solids, Copper, Zinc, Iron,
Lead, Cadmium, Nickel, Potassium and
Chromium) analyzed were within the Permissible levels of
physicochemical parameters in drinking water set by the Nigerian
Industrial Standards for Drinking Water Quality and the World
Health Organization Guidelines for Drinking Water.
[Uzor, C. A and F. Alex.
Physicochemical Characteristics of Groundwater obtained from
Bodo Community in Gokana Local Government Area of Rivers State.
World Rural Observ
2017;9(2):44-47]. ISSN: 1944-6543
(Print); ISSN: 1944-6551 (Online).
http://www.sciencepub.net/rural.
8.
doi:10.7537/marswro090217.08.
Key words:
Oil exploration and exploitation, water pollution, groundwater,
Bodo community. |
Full Text |
8
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9
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Participation as a Tool for Youth Empowerment in Nigeria:
Critical Review and Conceptual Framework
Sani Yakubu Gombe1,
Turiman Bin Suandi2
1Federal
College of Education (Technical), Gombe, Nigeria
2Faculty of
Educational Studies, Universiti Putra Malaysia
sanigombe925@gmail.com
Abstract:
Overall empowerment
youth is very significant for effective and sustainable
development of any country. This overall empowerment can only be
achieved if the youth are motivated to participate actively in
all development facets, youth poor participation can lead to
their low empowerment and in the long-run affect their ability
to be self-reliant or self-dependent. This paper determined
relationships between youth empowerment and participation
through critical theoretical and literature review. The paper
also develop a conceptual framework that will be used for
conducting further research to explore on the effects of
moderating and mediating variables on the relationship between
youth empowerment and participation. This will lead to the
provision of empirical justification of the assumptions. The
paper concludes that youth empowerment is directly associated
with participation and it may have a significant predictive
ability. The paper recommends that the theoretical assumptions
needs to be further explored through empirical evidence with a
view of generalization and ascertaining the worthiness of the
claims. Accordingly, the effects of the suggested moderating and
mediating variables may also bring up another dimension of
understanding youth empowerment in relation to interaction
between participation, gender and educational level.
[Sani Yakubu Gombe,
Turiman Bin Suandi.
Participation as a Tool for Youth Empowerment in Nigeria:
Critical Review and Conceptual Framework.
World Rural Observ
2017;9(2):48-57]. ISSN: 1944-6543 (Print); ISSN: 1944-6551
(Online).
http://www.sciencepub.net/rural.
9.
doi:10.7537/marswro090217.09.
Keywords:
Participation;
empowerment; youth; conceptual framework |
Full Text |
9
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10
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Prevalence of Bovine Fasciolosis and associated risk factors in
Nedjo municipal abattoir, western wollega, west Ethiopia
Tolesa Negasa1, Derara Birasa1 and Tadele
Kabeta2
1
Jimma University college of Agriculture and Veterinary medicine
2
Wollega Universities, College of Medical and Health Sciences
School of Veterinary Medicine
P.O. Box.395, Nekemte, Ethiopia; Email, corresponding author:
Tadele Kabeta.
firanfiri.04@gmail.com
Abstract:
Fasciolosis is a public and economically important parasitic
disease, which is caused by trematodes of the genus Fasciola
that migrate in the hepatic parenchyma and establish in the bile
ducts. A cross-sectional study was carried out from June 2015 to
November 2015 to estimate the prevalence of bovine fasciolosis
slaughtered at Nedjo municipal abattoir. Abattoir survey was
conducted by using routine ante mortem and post mortem
inspection. Descriptive statistics was used to compute
prevalence and Pearson’s chi-square (X2) was used to
determine differences in prevalence. Sex, peasant associations
and body condition were taken into consideration where 79 and
21% prevalence were recorded for male and female animals
respectively. However, no statistical significance (P > 0.05)
was observed for thisvariable. Similarly, 48.5%and 51.5%
prevalence were recorded for good and medium body conditioned
cattle, respectively. The prevalence as determined from
postmortem examination was highest (36.3%) in Were Jiru, while
lowest (3.8%) in Sombo Guta kebeles. The overall prevalence rate
of fasciolosis was 51.0%. There was also no statistically
significant difference (P > 0.05) in infection rate between
these kebeles. Therefore, further abattoir surveys are
recommended to strengthen the result for better understanding on
the epidemiology of bovine fasciolosis in the study area.
[Tolesa
Negasa, Derara Birasa and Tadele Kabeta.
Prevalence of Bovine Fasciolosis and associated risk factors in
Nedjo municipal abattoir, western wollega, west Ethiopia.
World Rural Observ
2017;9(2):58-61]. ISSN: 1944-6543 (Print); ISSN: 1944-6551
(Online).
http://www.sciencepub.net/rural.
10.
doi:10.7537/marswro090217.10.
Key words:
Abattoir, Fasciola, Nedjo and prevalence |
Full Text |
10
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11
|
On the Design, Validation and
Reliability of the 21st Century Skills Questionnaire (CSQ) in an
EFL Context
Hamid Ashraf, Khalil
Motallebzadeh, Mohsen Arabshahi
orazanbox@gmail.com
Abstract:
The application of the 21st
century skills to the field of ELT in the last few years has
contributed to the immergence of critical perspectives toward
these kinds of skills and their possible effects on the
teaching/ learning process. Despite the rapid spread of English
in Iran and the relevance of the issues addressed as the 21st
century skills, few studies have been conducted to survey
Iranian EFL learners’ situation in the skills. The present
study, therefore, aimed at developing a questionnaire that could
be used to evaluate Iranian ELT community’s performance in the
21st century skills. The newly developed
questionnaire was validated by administering it among 210
English learners in two cities in Iran. This study investigated
the internal consistency and construct validity of the
newly-developed instrument which both indicated acceptable
results.
[Hamid
Ashraf, Khalil Motallebzadeh, Mohsen Arabshahi.
On the Design,
Validation and Reliability of the 21st Century Skills
Questionnaire (CSQ).
World Rural Observ
2017;9(2):62-72]. ISSN:
1944-6543 (Print); ISSN: 1944-6551 (Online).
http://www.sciencepub.net/rural.
11.
doi:10.7537/marswro090217.11.
Keywords:
Design; Validation; Reliability;
21st Century; Skill; Questionnaire; EFL Context |
Full Text |
11
|
12
|
Invulnerability in Shahnameh and the Song of the Nibelungen
Mehrnoush Mehrabi
orazanbox@gmail.com
Abstract:
This paper is concerned with the theme of invulnerability in
Iranian and German mythology, especially in two remarkable works
of literature, Shahnameh and the Song of the Nibelungen. Myths
and legends are in fact the beliefs and ventures of different
nations in previous ages. Legends deal with subjects such as
gods, the creation of the world and the mankind, and so on. The
theme of invulnerability is a major one amongst legends. This
paper tries to discuss the similarities and differences of this
theme in two aforesaid immortal epics. Such research on the
similarities and differences of literary works will be presented
as a comparative literature.
[Mehrnoush
Mehrabi.
Invulnerability in Shahnameh and the Song of the Nibelungen.
World Rural Observ
2017;9(2):73-77]. ISSN: 1944-6543 (Print); ISSN: 1944-6551
(Online).
http://www.sciencepub.net/rural.
12.
doi:10.7537/marswro090217.12.
Keywords:
Invulnerability, Shahnameh, Nibelungen, Theme, Comparative
literature. |
Full Text |
12
|
13
|
A study on a protected
national vernacular settlement of Iran and its unique
architecture, a case study of Varkane, Hamedan
Omid Ahadian
Young Researchers Club, Hamedan
Branch Islamic Azad University Hamedan, Iran.
E-mail:
O_Ahadian@iauh.ac.ir
Abstract:
Varkane is an
Iranian vernacular settlement with an organism living stile,
which shows traditional technologies and the potential of local
material use, construction techniques and climate
considerations. This study try to analyze the main characters of
a traditional architecture in the old settlement, pointing out
both the typological and the technological aspects (local
materials and construction processes), focusing on their
environmental sustainability (presence of bioclimatic features,
integration into the landscape, minimum waste of resources). The
high degree of historic authenticity of this village relate to
the continuously inhabited throughout history without intervals
and still presents show a traditional lifestyle in the village.
In addition, the techniques of using local material by
incorporating the existing environmental parameters in front of
the microclimatic conditions into the design are considered
based on local architectural principles that could be exhibits
some part of historic architectural practice in the area,
looking forward cooperation the relationship between local
materials, building and climate.
[Omid
Ahadian. A study on a
protected national vernacular settlement of Iran and its unique
architecture, a case study of Varkane, Hamedan.
World Rural Observ
2017;9(2):78-85]. ISSN:
1944-6543 (Print); ISSN: 1944-6551 (Online).
http://www.sciencepub.net/rural.
13.
doi:10.7537/marswro090217.13.
Keywords:
Vernacular architecture, Environment, Sustainable, Bioclimatic
design, Building physics |
Full Text |
13
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14
|
Using NPK nanoparticles in multiplication and micro-tuber
process
of two potato variety (Solanum tuberosum L.) by using
tissue culture techniques
Eman. Ashraf1,
Sherif.f. El Sharabasy2, Hassan, O.S.1,
G. E. Abd-El-Kariem3
1Faculty
of Biotechnology, Modern Sciences and Arts University, Cairo,
Egypt
2The
Central Lab. Of Date Palm Research and Development, ARC, Egypt
3Agricultural
Systems Development Project,
Cairo, Egypt
emyashraf159@gmail.com
Abstract:
Micro-tubers which are produced in tissue culture have benefits
for disease free potato production. The effects of NPK nano-particles
on in vitro micro-propagation of two potato variety (Solanum
tuberosum L.) were evaluated. In the present study nodal
explants of potato cultivars (Sponta and Seylon) were cultured
on MS basal medium supplemented with different NPK ( 9: 0: 6 + 1
Silver ) Nano particles (control, 10 ml, 20 ml, 30 ml, 40 ml,
and 50 ml). Analysis control (30 ml) exhibited highest number of
nodes (4.0) followed by analysis control 10 ml, 20 ml and 40 ml
(3.0) in Seylon Variety. While, Analysis control (30 ml)
exhibited highest number of nodes (5.0) followed by analysis
control 10 ml and 20 ml (4.0) in Sponta Variety. The highest
number of micro-tuber was observed in treatment 20 ml (6)
followed by treatment 10 ml, and 30 ml (4) in Seylon Variety.
The highest number of micro-tuber were observed in treatment 30
ml (10) followed by treatment 40 ml, 20 ml, and 50 ml (8, 6, 6)
in Sponta Variety.
[Eman. Ashraf,
Sherif.f. El Sharabasy, Hassan,
O.S., G. E. Abd-El-Kariem. Using NPK nanoparticles in
multiplication and micro-tuber processof two potato variety (Solanum
tuberosum L.) by using tissue culture techniques.
World Rural Observ
2017;9(2):86-92]. ISSN: 1944-6543
(Print); ISSN: 1944-6551 (Online).
http://www.sciencepub.net/rural.
14.
doi:10.7537/marswro090217.14.
Key words:
Potato cultivars, In Vitro propagation,
multiplication.micro-tuberization, NPK nano-particle. |
Full Text |
14
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15
|
Underground Water And
Pollution Vulnerability Assessment Of Lower Imo Sedimentary
Basin Of Southeastern Nigeria (A Case Study Of Nwangele Local
Government Area Of Imo State, Nigeria)
Onunkwo – A, A,
Uzoije A.P, Igbokwe BIB
and Okoroji I. L.
Department of Earth Sciences
Federal University of Technology
Owerri, Dept, of Environmental
Management and Forestry, Imo State Polytechnic, Umuagwo, Owerri,
Dept. of Transport Management Technology Federal University of
Technology, Owerri.
Abstract:
Water exploitation
problems and population explosion are two major problems facing
Nwangele Local Government, for this, underground water and
pollution vulnerability assessment of Nwangele Local Government
Area of lower Imo sedimentary basin of Southeastern Nigeria has
been carried out as to examine the aquifer nature and pollution
vulnerability, as water exploitation and population explosion
problems have created problems in the area, since the emergence
of the new Local Government. The method of study involves
literature survey of previous work done in Imo River sedimentary
basin and other works considered necessary for the study. A
total of ten (10) vertical electricity soundings (VES) was
conducted for data generation using terrameter 300 SAS employing
Schlumberger configuration. Aquifer (sands) from boreholes
within three (3) communities and ten (10) water samples were
collected and used for statistical and geochemical analysis. The
result shows that the lithology is made of sand, silty sand,
clay and shale. Three (3) aquifer systems exits in the area
confined, semi confined and unconfined aquifers, these occur as
upper (33.5m), middle (82m) and lower (102 – 115m) aquifers. The
lithology comprises 4 to 6 layers with water bearing bed
occurring at the fifth layer. Average aquifer thickness measured
38 metres. Multiaquifer system exists in some localities.
Hydraulic conductivity values range from 25.6m/day to 28.9m/day,
transmissivity ranges from 450.842/day to 111.7m2/day
while the storativity values ranges from 0.468 x 10 -5
to 1.13 x 10 -5, all indicate aquifer of good yield.
Aquifer thickness ranges from 12.5 to 45m. The water chemistry
is neutral, mildly acidic to mildly alkaline. The underground
water is of calcium by carbonate type (CaHCO3) fresh
and ideal for consumption, irrigation and laundry industry. None
of the constituents exceeded the standard set by WHO (1984).
Environmental pollution is only confined to upper aquifer. It is
recommended that the three aquifer horizons can be tapped at the
depth range of 18 to 102 metres. Multiple screen should be
employed where there are more than one aquifer horizon. It is
advisable that down the hole electric logging be conducted prior
to the installation of screen. The middle and lower aquifers are
preferable. The middle aquifer is ideal for domestic boreholes
while the lower aquifer should be developed for community and
industrial boreholes.
[Onunkwo – A, A, Uzoije A.P,
Igbokwe BIB and Okoroji I. L. Underground Water And Pollution
Vulnerability Assessment Of Lower Imo Sedimentary Basin Of
Southeastern Nigeria (A Case Study Of Nwangele Local Government
Area Of Imo State, Nigeria).
World Rural Observ
2017;9(2):93-102]. ISSN: 1944-6543 (Print); ISSN: 1944-6551 (Online).
http://www.sciencepub.net/rural. 15.
doi:10.7537/marswro090217.15.
Keywords:
Underground water, pollution, River basin, aquifer, SE Nigeria. |
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