Comparative evaluation of mineral status of soils under waterlogging and non-waterlogging grazing lands during the main rainy season in Jimma, Oromia Regional State, southwestern Ethiopia

2021 ◽  
Vol 14 (16) ◽  
Author(s):  
Belay Duguma ◽  
Geert P. J. Janssens
Keyword(s):  
Rainy Season ◽  
Comparative Evaluation ◽  
Mineral Status ◽  
Southwestern Ethiopia ◽  
Regional State ◽  
Grazing Lands ◽  
Main Rainy Season

Pollination of Amorphophallus johnsonii (Araceae) by carrion beetles (Phaeochrous amplus) in a Ghanaian rain forest

1996 ◽  
Vol 12 (3) ◽  
pp. 409-418 ◽  
Author(s):  
Daniel D. N. Beath
Keyword(s):  
Rain Forest ◽  
Rainy Season ◽  
Male Inflorescence ◽  
Large Numbers ◽  
Female Phase ◽  
Male Phase ◽  
Carrion Beetles ◽  
Main Rainy Season

ABSTRACTAmorphophallus johnsonii (N. E. Brown) flowers during April in the main rainy season in Ghana. Anthesis starts at dusk with fluid oozing from the upper spadix accompanied by a strong aminoid odour. Just after dark large numbers of carrion beetles (Phaeochrous amplus) and occasional dung fly species (Hemigymnochaeta unicolor and Paryphodes tigrinus) visit the inflorescences. The beetles become trapped in the lower spathe overnight and remain in the spadix until the following evening. Between 1630 and 1645 h the following day, the anthers produce long threads of sticky pollen. The trapped beetles escape just after dark by crawling up the spadix, past the dehisced anthers and fly away from the spadix tip. Marked beetles were seen to transfer pollen from male phase to female phase inflorescences. Successful fertilisation was only effected if pollen was transferred on the same night from a male inflorescence 30 m or less away. Pollen is psilate and typical of beetle pollinated Araceae. Berries ripen approximately 70 d after fertilization and ripen basisetally in the infructescence.

Variation of main rainy‐season precipitation in eastern China and relevance to regional warming

2020 ◽  
Author(s):  
Li Liu ◽  
Xiaojuan Wang ◽  
Guolin Feng ◽  
Muhammad Mubashar Dogar ◽  
Feng Zhang ◽  
...  
Keyword(s):  
Rainy Season ◽  
Eastern China ◽  
Regional Warming ◽  
Main Rainy Season

scholarly journals Climate resources analysis for use of planning in crop production and rainfall water management in the central highlands of Ethiopia, the case of Bishoftu district, Oromia region

2010 ◽  
Vol 7 (3) ◽  
pp. 3733-3763 ◽  
Author(s):  
F. Yemenu ◽  
D. Chemeda
Keyword(s):  
Markov Chain ◽  
Standard Deviation ◽  
Coefficient Of Variation ◽  
Rainy Season ◽  
Growing Season ◽  
Entire Study ◽  
Dry Spell ◽  
The Mean ◽  
Central Highlands ◽  
Main Rainy Season

Abstract. Agricultural practices and water resources management in the central highlands of Ethiopia is highly dependant and associated with climatic resources and their pattern and hence wise use of those resources is a priority for the region. Accordingly, a study was conducted to asses and critically quantity the climate resources of the central high lands of Ethiop, Bishoftu district. Thirty three years of weather record data has been used for the work. The onset, duration and end of the growing seasons were defined and quantified based on FAO and Reddy models while the dry and wet spell distributions and the drought events were calculated using the Markov chain models and the standardized precipitation index (SPI) respectively. The results revealed that the mean onset of the main (Kiremt) growing season was found to occur during the second meteorological decade and ended during the end of September. Similarly, though unreliable and only few occurred during the entire study period, the mean onset of the shorter (Belg) season was found to occur during the beginning of the first decade of April. The length of the growing season during the main rainy season, (Kiremt,) ranged from 112 to 144 days with a standard deviation of 9.6 days and coefficient of variation of 7.5%. However, the mean growing length during the Belg season was found to be 22.4 days with a standard deviation of 27 days and coefficient of variation of 122%. The results of analysis obtained both from the Markov Chain and Reddy models indicated higher probabilities of dry spell occurrences during the shorter season (Belg) but the occurrences of the same in the main rainy season (Kiremt) was very minimal. Like wise, the SPI model detected some drought events ranging from mild to severe classes in both seasons based on one a month time scale analysis. A considerable attention of maximizing crop harvest during the main rainy season is practically important.

scholarly journals AVAILABILITY OF FEED RESOURCES FOR GOATS IN PASTORAL AND AGRO-PASTORAL DISTRICTS OF SOUTH OMO ZONE, ETHIOPIA

2017 ◽  
Vol 5 (3) ◽  
pp. 154-160
Author(s):  
Tekleyohannes Berhanu ◽  
Girma Abebe ◽  
Jameroen Thingtham ◽  
Sayan Tusdri ◽  
Somkiert Prasanpanich
Keyword(s):  
Rainy Season ◽  
Crop Residues ◽  
Survey Methods ◽  
Group Discussion ◽  
Feed Resources ◽  
Hot Dry Season ◽  
South Omo ◽  
Main Rainy Season ◽  
Western Ethiopia ◽  
Structured Questionnaire

A survey was conducted in Hamer and Bena-Tsemay pastoral and agro-pastoral districts of South Omo zone, south western Ethiopia in between January to May 2011 with the objective to describe availability of feed resource for goats. Data were collected from the two districts by informal and formal survey methods using focused group discussion and semi-structured questionnaire administered to 250 households. Natural pastures from rangelands are major feed sources for goats. Higher feed availability is reported in March to April (during the main rainy season). However, availability of feed extends up to October in Bena-Tsemay district due to the higher rainfall in the district.  In both districts, the hot dry season (November to February) is the period of feed scarcity and during which high mortality of goats have been reported. Crop residues and some food left over are also available for supplementing animals especially in the agro-pastoral areas. The efficiency of goat production in the studied districts could be increased by optimizing goats breeding season with the availability of feed resources.

scholarly journals Mineral status of Java thin-tailed sheep grazed in Mijen agriculture area, Semarang, Indonesia

2017 ◽  
Vol 42 (2) ◽  
pp. 120
Author(s):  
W. Widiyanto ◽  
E. Kusumanti ◽  
M. Mulyono ◽  
S. Surahmanto ◽  
V. D.Y. B. Ismadi
Keyword(s):  
Rainy Season ◽  
Body Weight Gain ◽  
Zinc Level ◽  
Serum Copper ◽  
Dry Season ◽  
Feed Consumption ◽  
Copper Level ◽  
Mineral Status ◽  
Central Java ◽  
Daily Body Weight

The objective of this study was to study the mineral status of Java thin-tailed (JTT) sheep grazed in Mijen-Semarang, Central Java. Six month old of male JTT sheep and paddock with field grass vegetation were used in the research. Fifteen male JTT sheeps were divided into three groups consisting of 5 heads per group, and grazing for 2 month (in early rainy season, late rainy season and dry season, respectively). The measured variables were feed consumption, digested organic matter, mineral (calcium, phosphorus, magnesium, copper, zinc) level in forage, feces, blood, and daily body weight gain. The data were analyzed by analysis of variance with one-way classification. Magnesium and zinc status of JTT sheep were adequate, whereas phosphorus status was deficient in all season. Calcium in early and late rainy season were deficient (7.37 and 7.86 mg/100 mL, respectively), whereas in the dry season was adequate (8.70 mg/100 mL). The copper deficiency was found in dry and late rainy season (with the Serum copper level was 0.62 and 0.51 µg/mL, respectively, and borderline in early rainy season (64.7 µg/mL). Serum copper in the late rainy season was lower (P<0.05) than it in early rainy season and dry season. There were seasonal variation of mineral status of Java thin-tailed (JTT) sheep grazed in Mijen agricultural area, Semarang, Central Java.

Comparison of In-the-Ear and Over-the-Ear Hearing Aid Fittings

1986 ◽  
Vol 51 (4) ◽  
pp. 362-369 ◽  
Author(s):  
Donna M. Risberg ◽  
Robyn M. Cox
Keyword(s):  
Hearing Aids ◽  
High Frequency ◽  
Comparative Evaluation ◽  
Speech Intelligibility ◽  
Hearing Aid ◽  
Hearing Aid Fitting ◽  
The Difference ◽  
Functional Gain ◽  
The Relationship

A custom in-the-ear (ITE) hearing aid fitting was compared to two over-the-ear (OTE) hearing aid fittings for each of 9 subjects with mild to moderately severe hearing losses. Speech intelligibility via the three instruments was compared using the Speech Intelligibility Rating (SIR) test. The relationship between functional gain and coupler gain was compared for the ITE and the higher rated OTE instruments. The difference in input received at the microphone locations of the two types of hearing aids was measured for 10 different subjects and compared to the functional gain data. It was concluded that (a) for persons with mild to moderately severe hearing losses, appropriately adjusted custom ITE fittings typically yield speech intelligibility that is equal to the better OTE fitting identified in a comparative evaluation; and (b) gain prescriptions for ITE hearing aids should be adjusted to account for the high-frequency emphasis associated with in-the-concha microphone placement.

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