scholarly journals Assessing newly introduced climate change adaptation strategy packages among rural households: Evidence from Kaou local government area, Tahoua State, Niger Republic

2017 ◽  
Vol 9 (1) ◽  
Author(s):  
Ali M. Tabbo ◽  
Zakou Amadou
Keyword(s):  
Climate Change ◽  
Block Design ◽  
Adaptation Strategy ◽  
Adaptation Strategies ◽  
Vegetable Production ◽  
Random Utility Theory ◽  
Incomplete Block Design ◽  
Financial Credit ◽  
The Difference ◽  
Balanced Incomplete Block

This research discusses new strategies developed and introduced by national and international partners to help farmers in building adaptative capacity against the negative externalities of climate change. The purpose of this study is to determine and to assess the most important adaptation strategies introduced by development partners. Based on the recognition interview with farmers and synthesis of previous research, 13 strategies were compiled and included in the study. Thus, an advance in the balanced incomplete block design was used to design the questionnaire served as data collection tools. For each question, respondents were asked to choose their best and their worst strategies. Thus, the difference between the best and worst strategies consistent with random utility theory was used for the modelling. Results show that herd rebuilding, human capacity building, introduction of fishing, water and soil conservation activities, introduction of leafy vegetable such as Moringa oleifera, financial credit, forage seed marketing and introduction of agriculture inputs were the most important strategies, while the support to vegetable production, income-generating activities, the use of agricultural improved seed varieties, anti-fire band making and cereal bank introduction were the least important adaptation strategies for farmers. These results are therefore essential for the dissemination of adaptation strategies, thereby stimulating and maintaining sustainability development actions in the study area.

scholarly journals Evaluating farmers’ adaptation strategies to climate change: A case study of Kaou local government area, Tahoua State, Niger Republic

2016 ◽  
Vol 8 (3) ◽  
Author(s):  
A. Moussa Tabbo ◽  
Zakou Amadou ◽  
Agada B. Danbaky
Keyword(s):  
Climate Change ◽  
Negative Impact ◽  
Adaptation Strategies ◽  
Small Scale ◽  
Vegetable Production ◽  
Random Utility Theory ◽  
Wild Fruits ◽  
Climate Change Information ◽  
Change Projects ◽  
The Difference

The study discusses local farmers’ strategies of coping with and building resilience against the negative impact of climate change. Information for the discussion was from data collected using a set of structured questionnaires from interviews scheduled with 128 farmers. The questionnaire was based on previous literature and direct reconnaissance interview with farmers, which culminated in 13 strategies used for the study being reported. For each question, respondents were asked to choose their best and worst strategies. Thus, the difference between the best and worst strategies consistent with random utility theory has been used for the modelling. Results show that semi-transhumance, various handicrafts making, rural migration, small-scale vegetable production and small-scale river exploitation were the most important strategies identified, whilst water transport and vending, shifting cultivation, gypsum mining, gathering and trading of wild fruits and edible plants as well as cattle and sheep fattening were the least appreciated strategies identified amongst the farmers facing climate change. These findings are therefore imperative for planning farmers’ capacity-building and resilience against climate change projects to ensure sustainability in the study area.Keywords: Farmers’ adaptation strategies; Climate change resilience; Kaou

scholarly journals Yield and Fruit Size Comparisons in the First Six Crops of 16 Mango Varieties

1969 ◽  
Vol 56 (4) ◽  
pp. 343-364
Author(s):  
W. Pennock ◽  
A. Torres-Sepulveda ◽  
J. López-García ◽  
I. Reyes-Soto ◽  
S. Valle-Lamboy ◽  
...  
Keyword(s):  
Block Design ◽  
Fruit Size ◽  
Square Lattice ◽  
Total Production ◽  
Potential Productivity ◽  
Incomplete Block Design ◽  
The Mean ◽  
The Difference ◽  
Balanced Incomplete Block ◽  
One Year

Sixteen mango varieties planted at 30 feet by 30 feet spacing in a partially balanced incomplete block design, which included 32 trees of each variety, were compared with respect to production, and fruit and tree size. Production for all varieties in general started on the fifth year after planting when in accordance with linear regression it amounted to 5 pounds of fruit per tree, and increased at the rate of about 28 pounds per year per tree during the following five crops. The varieties were classified with regard to consistency in bearing, according to a mean index derived from the difference in yield per tree from one year to the next divided by its mean yield for the 2 years being compared. The varieties Kent, Eldon, Palmer, Haden, and Keitt were highly inconsistent. Varieties Sensation, Santaella, Parvin, Earlygold and Jacquelin were intermediately consistent. The varieties Edward, Zill, Pillsbury, Ruby, and Irwin were regular bearers. The potential productivity per acre for each variety was calculated hypothetically for a square-lattice pattern of planting at a distance of 1 1/2 times the mean tree-crown diameter at 10 years of age. These distances varied from 28.1 feet for Palmer to 18.9 feet for Lippens. The varieties Lippens, Irwin, Sensation, Eldon and Keitt, in descending order, gave the highest yields ranging in total production for the six crops from 67,079 pounds per acre for Lippens to 45,608 pounds per acre for Keitt. The last crop of these same varieties at 10 years of age ranged from 10 to 11 tons per acre. The varieties Earlygold, Kent, Zill, and Parvin in descending order gave intermediate yields ranging in total production for the six crops from 42,310 pounds per acre for Earlygold to 38,369 pounds per acre for Parvin. The last crop of these same varieties at 10 years of age ranged from 6 to 10 tons per acre. The varieties Haden, Ruby, Pillsbury, Santaella, Jacquelin, Edward and Palmer, in descending order, gave yields at 10 years of age, which ranged from 6 to 10 tons per acre. The varieties Haden, Ruby, Pillsbury, Santaella, Jacquelin, Edward and Palmer in descending order, gave the lowest yields ranging in total production for the six crops from 32,732 pounds per acre for Haden to 23,868 pounds per acre for Palmer. The last crop of these same varieties, at 10 years of age, ranged from 2 1/2 to 6 tons per acre. The mean fruit size for each variety was determined in terms of weight in pounds per fruit utilizing all of the available data from the six crops. The varieties Jacquelin, Kent, Keitt, Palmer and Edward, in descending order, gave the largest fruit. The size ranged from a mean weight of 1.220 pounds for Jacquelin to 0.945 pounds for Edward. The varieties Eldon, Parvin, Haden, Earlygold, and Irwin, in descending order, gave intermediate sized fruit ranging from 0.842 pounds for Eldon to 0.657 pounds for Irwin. The varieties Zill, Lippens, Sensation, Pillsbury, Santaella, and Ruby, in descending order, gave small fruit ranging from 0.620 pounds for Zill to 0.452 pounds for Ruby.

scholarly journals Some Series Of Partially Balanced Incomplete Block Designs

1955 ◽  
Vol 7 ◽  
pp. 369-381 ◽  
Author(s):  
D. A. Sprott
Keyword(s):  
Block Design ◽  
Special Kind ◽  
Statistical Technique ◽  
Block Designs ◽  
Incomplete Block ◽  
Balanced Incomplete Block Designs ◽  
Incomplete Block Design ◽  
The Difference ◽  
Balanced Incomplete Block ◽  
Standard Statistical Technique

1. Introduction. The use of incomplete block designs for estimating and judging the significance of the difference of treatment effects is now a standard statistical technique. A special kind of incomplete block design is the Partially Balanced Incomplete Block Design (PBIBD) introduced in (3).

scholarly journals Resolvable (r, λ)-designs and the Fisher inequality

1979 ◽  
Vol 28 (4) ◽  
pp. 471-478 ◽  
Author(s):  
S. A. Vanstone
Keyword(s):  
Block Design ◽  
Incomplete Block ◽  
Balanced Incomplete Block Design ◽  
Incomplete Block Design ◽  
Pairwise Balanced Designs ◽  
Balanced Designs ◽  
Similar Inequality ◽  
Balanced Incomplete Block

AbstractIt is well known that in any (v, b, r, k, λ) resolvable balanced incomplete block design that b≧ ν + r − l with equality if and only if the design is affine resolvable. In this paper, we show that a similar inequality holds for resolvable regular pairwise balanced designs ((ρ, λ)-designs) and we characterize those designs for which equality holds. From this characterization, we deduce certain results about block intersections in (ρ, λ)-designs.

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