-
Impact of the Gathering Pressure on Edible Snail’s Population of a Classified Forest in the South of Côte d'Ivoire
N’dri Saint-Clair Amani,
Mamadou Karamoko,
Coffi Franck Didier Adou,
Atcho Otchoumou
Issue:
Volume 1, Issue 2, July 2016
Pages:
11-19
Received:
30 May 2016
Accepted:
12 June 2016
Published:
23 June 2016
DOI:
10.11648/j.ijnrem.20160102.11
Downloads:
Views:
Abstract: An investigation was carried out in the department of Agboville with populations living near Yapo classified forest (Côte d’Ivoire) on the gathering of edible snails during the year 2015. This study aimed at first, to list various edible snails gathered by the bordering populations, then to identify actors of the gathering of these snails and finally, to evaluate the quantities collected in this forest. We used the method of direct observation, with slip of investigation. The results revealed that two edible snail species were collected by that population. The activity of gathering is mainly practised by men and farmers with respective proportions of 83% and 38%. The age of the gatherers varies from 8 to 50 years. The amount of snail collected was estimated to 13.60 tons for Achatina achatina and 1.69 tons for Archachatina ventricosa. The catches decreased considerably from 80 about 130 snails to 1 about 15 snails per day. Save measures must be taken for the conservation of this resource because of the pressure exerted on these animals.
Abstract: An investigation was carried out in the department of Agboville with populations living near Yapo classified forest (Côte d’Ivoire) on the gathering of edible snails during the year 2015. This study aimed at first, to list various edible snails gathered by the bordering populations, then to identify actors of the gathering of these snails and final...
Show More
-
Assessment of the Invasive Alien Plant Species Mimosa diplotricha in Shebe-Sombo, Kersa and Seka-Chekorsa Districts, Jimma Zone, Southwest Ethiopia
Amare Seifu,
Anteneh Tamirat,
Edeget Merawi,
Taye Birahanu,
Abiyselassie Mulatu,
Yibrehu Emshaw
Issue:
Volume 1, Issue 2, July 2016
Pages:
20-24
Received:
11 February 2016
Accepted:
23 February 2016
Published:
23 June 2016
DOI:
10.11648/j.ijnrem.20160102.12
Downloads:
Views:
Abstract: Invasive Alien Species (IAS) has been causing serious threats to biodiversity which need to be addressed and studied seriously. Mimosa diplotricha is an invasive plant in some parts of Africa and has recently come to Ethiopia, particularly, in Oromia Regional State, Jimma Zone. Therefore, the objective of this study was to assess the impacts, trends, mode of entry, status, distribution and management practices of Mimosa diplotricha in Jimma Zone, Southwest Ethiopia. Accordingly, an assessment was carried out in Jimma zone, Shebe-sombo, Kersa and Seka-chekorsa districts, in 72 randomly selected households in six different Kebeles (the smallest administrative unit in Ethiopia). Based on the interview and field observation, the level of Mimosa diplotricha invasion was very high and the plant was the most dominant IAS on road side in the study areas. Mimosa diplotricha was introduced to the study sites during road construction together with sand, stones and other construction materials. Almost all of the respondents (98.6%) reported that Mimosa diplotricha had no any benefit in the study areas. Most of the informants (94.5%) replied that the negative impacts of Mimosa diplotricha in the future will be very high. The result of the study showed that there was no effective action taken to control Mimosa diplotricha in the study areas. Moreover, majority of the respondents believed that collaboration among governmental, non- governmental organization and communities and effective management measures are in need in order to control the spread of Mimosa diplotricha.
Abstract: Invasive Alien Species (IAS) has been causing serious threats to biodiversity which need to be addressed and studied seriously. Mimosa diplotricha is an invasive plant in some parts of Africa and has recently come to Ethiopia, particularly, in Oromia Regional State, Jimma Zone. Therefore, the objective of this study was to assess the impacts, trend...
Show More
-
Assessment of Surface and Ground Irrigation Water Quality for Small Scale Irrigation in East Shoa Zone of Oromia, Ethiopia
Abay Challa,
Anbese Ambomsa,
Zelalem Shelemew
Issue:
Volume 1, Issue 2, July 2016
Pages:
25-31
Received:
6 June 2016
Accepted:
15 June 2016
Published:
28 June 2016
DOI:
10.11648/j.ijnrem.20160102.13
Downloads:
Views:
Abstract: Irrigation with poor quality waters may bring undesirable elements to soil in excessive quantities affecting its fertility. The seasonal variation in surface and ground water quality of different district in East Shoa zone has been evaluated for two years from 2013/14 to 2014/15 for assessing the suitability of water for irrigation purpose. In the present study water samples were collected from River, Lake and ground water and analyzed for ten parameters of physical and chemical properties. The analyzed water quality parameters show seasonal variation and high concentration in dry season compared to wet season due to dilution effects. Electrical conductivity, pH, ionic composition, sodium adsorption ratio (SAR) & total dissolved solids (TDS) were calculated using the standard equations. Analysis showed a wide range of electrical conductivities that varied from 332-2627.5 µS/cm and salinity ranged between 197.9-1681.6mg/L. The SAR in the study area lies between 1.42 and 22.09 in most irrigation water sources. Considering SAR as important parameter of suitability for irrigation, most of the results are under usual range compared to the irrigation water standards, except for some samples collected from underground. The mean pH values of almost all water sources were between 7.58 and 8.19 which can be categorized as normal range for irrigation purpose. The results concluded that water quality at some of the locations is above permissible limit for irrigation and needs proper monitoring to preserve and maintain its quality for agricultural purpose. Since water quality alone would not sufficient enough to evaluate potential salinity hazard of irrigation water, consideration should be given to crop, soil, climate, agronomic and irrigation management practices. Therefore the present study only serves as baseline survey for future research needs.
Abstract: Irrigation with poor quality waters may bring undesirable elements to soil in excessive quantities affecting its fertility. The seasonal variation in surface and ground water quality of different district in East Shoa zone has been evaluated for two years from 2013/14 to 2014/15 for assessing the suitability of water for irrigation purpose. In the ...
Show More
-
The Impacts of Mound-Building Termites on Micronutrients and Soil Hydraulic Properties in Parts of Borana Lowlands Southern Ethiopia
Wondimu Tolcha Adugna,
Abiyot Lellisa,
Amsalu Tilahun
Issue:
Volume 1, Issue 2, July 2016
Pages:
32-41
Received:
6 June 2016
Accepted:
14 June 2016
Published:
30 June 2016
DOI:
10.11648/j.ijnrem.20160102.14
Downloads:
Views:
Abstract: This study was focuses on the impact of mound- building termite on micronutrients and soil hydraulic properties in three districts of Borana zone. The condition of soil is in unfavorable condition when its physical, chemical and biological features have negative impact on environment. Knowledge on soil hydraulic properties and micro nutrient content for soils affected by termite mound and adjacent unaffected soil will give a clue on the impact of mound building termite for plant establishment. Infiltration rate for adjacent soil profile106.47 mm/hr (Moderately rapid) and for termite mound profile 142.13 mm/hr (rapid) infiltration rate has been observed while the packing density up to 1.80 t m-3(high) for external part of termite mound which isgreater than 1.75 tm-3 and 1.36 t m-3 (low) for adjacent soil profile less than1.40 t m-3. There is also higher concentration of manganese (Mn) and zinc (Zn) content on external part of termite mound for fine textured soil and no difference in copper (Cu) and Iron (Fe) content between termite mound material and adjacent soil. Generally, the termite mound has positive impact on soil hydraulic properties of soil and micronutrients in order to support plant establishments.
Abstract: This study was focuses on the impact of mound- building termite on micronutrients and soil hydraulic properties in three districts of Borana zone. The condition of soil is in unfavorable condition when its physical, chemical and biological features have negative impact on environment. Knowledge on soil hydraulic properties and micro nutrient conten...
Show More
-
Effects of Graded Stone Bunds on Selected Soil Properties in the Central Highlands of Ethiopia
Abay Challa,
Abdu Abdelkadir,
Tefera Mengistu
Issue:
Volume 1, Issue 2, July 2016
Pages:
42-50
Received:
6 June 2016
Accepted:
15 June 2016
Published:
11 July 2016
DOI:
10.11648/j.ijnrem.20160102.15
Downloads:
Views:
Abstract: Land degradation is one of the major challenges in agricultural production in many parts of the world, especially in developing nations like Ethiopia. To combat the problem different Soil and Water Conservation (SWC) measures were introduced in the country. This research was conducted in the Harowerke micro-watershed, West Showa Zone, Oromia Regional State to assess effect of conservation measures on selected soil properties. Graded stone bunds are one of the conservation measures in study area. It included a comparison between farm plots with six-year graded stone bund and non conserved ones. A total of 48 surface soil samples were collected and analyzed for soil bulk density (BD), moisture content (MC), organic matter (OM), total nitrogen (TN), hydrogen ion concentration (pH) and cation exchange capacity (CEC) of soil. Results showed that soil BD and soil MC were significantly (p≤0.05) affected by the soil conservation measures and slope gradients. Soil OM, TN, and CEC also showed significant differences between conserved and non conserved as well as slope gradients. Soil pH did not show significant difference. The non conserved plots had the lowest soil OM, TN and CEC. The soil OM content of the plots were positively correlated to soil MC (R2=0.86), total N (R2=0.73), CEC (R2=0.65) and inversely correlated to soil BD (R2=0.68). The contribution of conservation measure to improve soil properties is significant in the study site. Additional soil fertility management practices, those including biological measures, could be added for better effect. Moreover, further research need to be conducted on socio-economic aspects for a better understanding of the sustainable use of the land.
Abstract: Land degradation is one of the major challenges in agricultural production in many parts of the world, especially in developing nations like Ethiopia. To combat the problem different Soil and Water Conservation (SWC) measures were introduced in the country. This research was conducted in the Harowerke micro-watershed, West Showa Zone, Oromia Region...
Show More
-
Effect of Land Use Land Cover Changes on the Forest Resources of Ethiopia
Issue:
Volume 1, Issue 2, July 2016
Pages:
51-57
Received:
18 May 2016
Accepted:
31 May 2016
Published:
28 July 2016
DOI:
10.11648/j.ijnrem.20160102.16
Downloads:
Views:
Abstract: Land cover change refers to modification of the existing land cover or complete conversion of the land cover to a new cover type. Most of these studies identified that deforestation and expansion of cultivation land in to marginal areas were the principal cause of land degradation. Change in land use and land cover may result in land degradation that manifests itself in many ways depending on the magnitude of changes. All of these manifestations have potentially severe impacts on land users and people who rely for their living on the products from a healthy Landscape. This alteration of LULC type coupled with poor land management practice in the region resulted in exposing of land for erosion hazard, which was later turned to accelerated land degradation. All the factors of deforestation such as the prevalence of various types of agricultural activities, fire wood and charcoal production, cutting trees to fulfill the demand of constructional materials, settlement expansion and income generation are directly or indirectly related to population growth and new settlements. The absence of applicable forest policy is cited as a contributing factor for deforestation in different parts ofthe world including Ethiopia.
Abstract: Land cover change refers to modification of the existing land cover or complete conversion of the land cover to a new cover type. Most of these studies identified that deforestation and expansion of cultivation land in to marginal areas were the principal cause of land degradation. Change in land use and land cover may result in land degradation th...
Show More
-
Conservation of Botanicals Used for Carving by the Ijaw Ethnic Group of Bayelsa State Nigeria
Kayode J.,
Ihinmikaiye S. O.,
Arowosegbe S.,
Oyedeji A. A.
Issue:
Volume 1, Issue 2, July 2016
Pages:
58-62
Received:
11 July 2016
Accepted:
20 July 2016
Published:
29 July 2016
DOI:
10.11648/j.ijnrem.20160102.17
Downloads:
Views:
Abstract: A survey of wood used for carving in Bayelsa State, Nigeria was carried out using a rapid appraisal method. The state was divided into three zones and in each zone; three prominent wood carvers were identified and interviewed with the aid of semi-structured questionnaire guide. Also, five communities were randomly selected from each of the eight local government areas of the state. In each community, ten respondents that have maintained continuous domicile for a minimum of ten years in the community were selected and interviewed with respect to their indigenous knowledge on woodcarving. Group interviewed were equally conducted. A total of 39 botanicals belonging to 23 different families were being used to carve 12 different items. Botanicals commonly used for such craft were identified and were mostly timber species. They ranged from hard to soft wood and the species used depended on the item to be carved. The methods use for harvesting the wood was annihilative. Increasing decline in the availability of the species was reported hence strategies that would enhance the continuous supply of the species were proposed.
Abstract: A survey of wood used for carving in Bayelsa State, Nigeria was carried out using a rapid appraisal method. The state was divided into three zones and in each zone; three prominent wood carvers were identified and interviewed with the aid of semi-structured questionnaire guide. Also, five communities were randomly selected from each of the eight lo...
Show More
