Impact evaluation on survival of tree seedling using selected in situ rainwater harvesting methods in Gerduba Watershed, Borana Zone, Ethiopia

Tadele, Demisachew; Moges, Awdenegest; Dananto, Mihret

doi:10.5897/jhf2018.0531

Cited by 14 publications

(14 citation statements)

References 26 publications

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“…This agreed with the findings of Jacobs et al (2005). Cao and Ohkubo (1998) also reported that shoot: root ratio can increase linearly with increase in plant height for the saplings <1.5 m. NGO nurseries were found to have more seedlings with values out of the acceptable range (SRDM) (Demisachew et al, 2018) meaning that shoot biomass is too high compared to root biomass. This can be explained by either a more intensive pruning practiced by nursery owners or the similarity of ratio per its respective seedling size.…”

Section: Root Dry Mass (G)supporting

confidence: 88%

“…Thus, seedlings from target nursery owners meet the standard except R. prinoides from NGO nurseries (0.24 cm). Discussing root characteristics provides a quantitative description of seedling root systems (MEFCC, 2017a;Demisachew et al, 2018). Using the same type of container, nursery owners result different data of root characteristics for tested species.…”

Section: Root Characteristicsmentioning

confidence: 99%

“…The forest sector in Ethiopia plays vital role in mitigating and adapting climate change (MEFCC, 2017a;Demisachew et al, 2018). Also various actors have been involved in tree-planting activities in the country for many decades.…”

Section: Introductionmentioning

confidence: 99%

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Quality of tree seedlings across different nursery ownerships in Central Gondar Zone, Ethiopia

Sisay¹,

Alemu²,

Mariam³

2020

J. Hortic. For.

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Qualities of planting stocks are critical factors for the success of forest plantations. Despite the huge number of annual seedling production in tree nurseries, awareness on quality of seedlings is very limited. This study evaluates the seedling quality across nursery ownership types in terms of morphological attributes and examines the effect of seedling quality on early growth and survival. Three nursery ownerships (private, GO and NGO) were selected from three districts of central Gondar zone with the assumption of different nursery management practices. Four tree/shrub species were selected purposively (common in all the nursery ownership types) and seedlings for quality assessment were sampled randomly. The study indicated that seedling qualities differ across the selected nursery ownership types and have significant effect on survival and early growth. Significant differences (α<0.05) were observed in the mean shoot length, root collar diameter, shoot and root dry masses among different tree nursery owners. These differences could be rooted from different management in different nursery ownership types. There were relatively higher seedling proportions having measured parameters out of threshold standards for height, root collar diameter, shoot to root ratio and height-diameter ratio in private owner. Generally, Grevillea robusta performed better in NGO, Rhamnus prinoides and Cordia africana in private nurseries and Cupressus lusitanica in GO nurseries. However, species, site, and management specific studies must be studied to clearly quantify seedling quality and the associated effect on early growth and survival.

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Section: Root Dry Mass (G)supporting

confidence: 88%

Section: Root Characteristicsmentioning

confidence: 99%

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Quality of tree seedlings across different nursery ownerships in Central Gondar Zone, Ethiopia

Sisay¹,

Alemu²,

Mariam³

2020

J. Hortic. For.

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“…Similarly, Talema et al (2019), states that S. sesban and Leucaena leucocephala (L. leucocephala) seedlings failed to grow on the badland even though they were treated with FYM due to the harshness of the degradation and moisture stress in the dry season. Likewie, Demisachew et al (2018), states that the soil texture and bulk density properties of the restoration site play a role in determining moisture availability, which is very important for seedling survival. Moreover, Aerts et al (2006), indicates that the high seedling mortality of Olea europaea ssp.…”

Section: Factors Affecting the Early Survival Of Tree Seedlings In Re...mentioning

confidence: 99%

Review on Factors Affecting Early Survival of Tree /Shrub Seedlings and it’s Remedy in Restoration Sites of Ethiopia

Gebirehiwot¹

2023

Journal of Landscape Ecology

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Restoration activities in degraded and/or deforested forest landscapes are common and old occurrences around the world. Tree planting is common in most forest landscape restoration initiatives. In Ethiopia, eight seedling-based landscape restoration options are identified to alleviate land degradation and its consequences. The primary purpose of this work was to review factors affecting the early survival of tree and shrub seedlings and their remedies in the restoration sites of Ethiopia. Drought and moisture stress, low soil fertility, poor seedling quality, weak species site matching, termites, livestock grazing, and seasonal frost are the basic factors that hinder the survival and growth of seedlings in the field. In situ rainwater harvesting structures, fertilizer application, the use of quality seedlings, the right species site matching, and the exclusion of livestock and grazing animals from planted seedlings are the remedies that must be employed to increase the success of tree-based restoration practices. Thus, further investigation of the factors affecting the survival of seedlings in the out-planting sites and remediation accordingly is necessary to ensure the productivity and sustainability of restoration practices in Ethiopia.

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“…In most cases, the afforestation/reforestation are suffering from multiple environmental factors like limited water availability, free grazing, lack of proper management, premature cutting by peasants and inadequate care [9,10,[12][13][14]. Limited water availability is the primary factor controlling plant establishment and growth in the degraded lands [7][8][9][10]12,[15][16][17]. Therefore, to insure success of establishment of tree species MHSs can be used to collect rain water in areas close to the trees.…”

Section: Afforestation/reforestationmentioning

confidence: 99%

Effect of Different Moisture Harvesting Techniques on Seedling Survivals and Growth of Trees in Degraded Lands of Southern Tigray

Siyum

Tassew

Gidey

2019

AJRAF

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Tree planting on degraded lands play a key role in forest rehabilitation processes through afforestation and/or reforestation. Moisture harvesting structures (MHSs) has significant impact on seedling survivals at degraded lands. The objectives of this study were to investigate the impact of water harvesting techniques on seedling survival and growth performance of trees. Field experiments were conducted for two rainy seasons in southern Tigray, Atsela watershed. The experimental design followed was the split plot design. The MHSs as main plot used were eye-brow basins (EBs), micro trench (MTs), improved pit (IPs) and as control normal pit (NPs). The tree species grown as subplots were Eucalyptus camaldulensis, Grevillea robusta, Olea europaea and Cupressus lusitanica. The four tree species were planted by using seedlings. The tree survival rate, height, crown width (CW) and root collar diameter (RCD) of the four tree species were measured every six months after transplanting. The result shows that MHSs were significant in tree seedling height, CW and RCD but not in tree survival rate. Tree seedling height and CW grown in EBs were significantly higher than those grown in MTs, IPs and NP (P≤0.05). RCD of tree seedling was higher when grown in EBs than NP (control) (P≤0.05). The interaction of tree species seedlings and MHSs shows that those seedlings grown on MHSs were significantly thicker, taller and more survived than those grown on the NPs (control) (P≤0.05). So based on the experiments, it is concluded that MHSs particularly the eyebrow basin was considered as the most appropriate planting pit. Therefore, further demonstration of eyebrow basin tree planting should be carried out.

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Impact evaluation on survival of tree seedling using selected in situ rainwater harvesting methods in Gerduba Watershed, Borana Zone, Ethiopia

Cited by 14 publications

References 26 publications

Quality of tree seedlings across different nursery ownerships in Central Gondar Zone, Ethiopia

Quality of tree seedlings across different nursery ownerships in Central Gondar Zone, Ethiopia

Review on Factors Affecting Early Survival of Tree /Shrub Seedlings and it’s Remedy in Restoration Sites of Ethiopia

Effect of Different Moisture Harvesting Techniques on Seedling Survivals and Growth of Trees in Degraded Lands of Southern Tigray

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