International Journal of
Biodiversity and Conservation

  • Abbreviation: Int. J. Biodivers. Conserv.
  • Language: English
  • ISSN: 2141-243X
  • DOI: 10.5897/IJBC
  • Start Year: 2009
  • Published Articles: 675

IJBC Articles

Echinoderm diversity in Mudasal Odai and Nagapattinam coast of south east India

January 2014

Echinoderm diversity was studied from Mudasal Odai (Lat.11°29'N; Long. 79°46' E) and Nagapattinam (Lat. 10° 46' N; Long. 79° 59' E) coast of Tamil Nadu, south east India. We recorded 14 species, 11 genera, 8 families, 5 orders and 3 classes in Mudasal Odai and 11 species, 8 genera, 6 families, 5 orders and 3 classes in Nagapattinam coast. The most diverse families are Temnopleuridae (4...

Author(s): Kollimalai Sakthivel and S. Antony Fernando

The role of homegardens for in situ conservation of plant biodiversity in Holeta Town, Oromia National Regional State, Ethiopia

January 2014

This study was conducted to assess the role of homegardens for in situ conservation of plant biodiversity in Holeta Town. In the garden data collection 75 homegardens were randomly selected. Ethnobotanical data were collected using homegarden observation, semi-structured interviews and market survey. Data were analyzed using preference ranking, direct matrix ranking, and descriptive statistics. A total of 112 plant...

Author(s): Mekonnen Amberber, Mekuria Argaw and  Zemede Asfaw

Assessment of fuel resource diversity and utilization pattern in Nargu Wildlife Sanctuary of Himachal Pradesh, NW Himalaya

January 2014

Dearth in the studies related to the fuelwood collection trends, conservation and management has prompted the present work. Nargu Wildlife Sanctuary of Himachal Pradesh was assessed for the fuel resources because the region was not evaluated earlier and dependency of the stakeholders on the forest resources was soaring. In the twenty three villages studied, forty five species (33 trees and 12 shrubs) belonging to 23...

Author(s): Pankaj Sharma and S. S. Samant

A list of flowering wild plants in Tafila Province, Jordan

January 2014

Wild flowering plants in Tafila Province (South of Jordan) in terms of floristic features, with regards to its wild vascular plants were studied. A list of wild flowering plants was prepared. Field trips were made to the study area. A total number of 383 species belong to 198 genera and 48 families were recorded. Wild trees like Cupressus sempervirens, Ceratonia siliqua, Quercus sp. (Oak) and Juniperus phoenica were...

Author(s): Sawsan Atallah Oran

Gene duplication: A major force in evolution and bio-diversity

January 2014

Bridges reported one of the earliest observations of gene duplication from the doubling of a chromosomal band in a mutant of the fruit fly, Drosophila melanogaster, which exhibited extreme reduction in eye size. Based on whole-genome analysis of Arabidopsis thaliana, there is compelling evidence that angiosperms underwent two whole-genome duplication events early during their evolutionary history. Recent studies have...

Author(s): Chandan Roy and Indra Deo

Role of sacred groves in ameliorating microclimate: A case study of Nagdev temple forest of Pauri Garhwal, Uttarakhand Himalaya, India

January 2014

To show the role of sacred grove in rejuvenating the microclimate, a study was conducted at the temple forest of Nagdev area (Latitude 30° 8’ 30” N and Longitude 78° 46’ 25” East) of Pauri Garhwal in Uttarakhand Himalaya, India. Nagdev temple forest area was compared with a nearby (control) site, having relatively more biotic disturbances. Weather parameters viz. temperatures- maximum and...

Author(s): Laxmi Rawat

Conservation status of threatened medicinal plants of Mankial Valley Hindukush Range, Pakistan

January 2014

Conservation studies of 45 threatened medicinal plants were carried out for assessment of their conservation status, threats and recommendations growing in Mankial valley Hindukush Range Pakistan. Phytogeographically, the valley is present in the Sino Japanese floristic region and is a hot spot of endemism. A total of 45 taxa belonging to 35 families and 43 genera were collected and evaluated which include 13 (28.88%)...

Author(s): Asad Ullah and Abdur Rashid

Effect of physico-chemical conditions on the structure and composition of the phytoplankton community in Wular Lake at Lankrishipora, Kashmir

January 2014

The high altitude valley of Kashmir abounds in a vast array of freshwater bodies of lotic as well as lentic nature. Amongst these, lakes play an important role in biodiversity of this region. The present study on Wular Lake, Kashmir was undertaken from March, 2007 to February, 2008 to study abundance and distribution of phytoplankton and their correlation with physico-chemical conditions of water. A total of 64...

Author(s): Altaf H. Ganai and Saltanat Parveen

Ethnobotany, indigenous knowledge and unconscious preservation of the environment: An evaluation of indigenous knowledge in South and Southwest Regions of Cameroon

January 2014

A study was undertaken to understand the contributions of indigenous knowledge in environmental management and to evaluate some useful plants in selected tribal villages of South and Southwest Cameroon. Intensive field trips were carried out and interviews were conducted with the indigenous people using questionnaires that addressed the use of each plant species for various purposes, local/traditional name of species,...

Author(s): Fongod A. G. N., Ngoh L. M. and Veranso M. C.

‘Population status, nesting sites and seasonal fluctuation of Egyptian vultures (Neophron percnopterus): Dynamics and implications for the species conservation in and around Jodhpur

January 2014

Nine species of vulture were reported in India. Out of them, four species Gyps indicus, Gyps bengalensis, Sacrogyps calvus and Neophron percnopterus are permanent residents and remain in and around Jodhpur. The remaining three species Gyps fulvus, Gyps himalayensis and Aegypus monachus are migratory species and come to site from October to February in winter season. Resident species reproduce here due to availability of...

Author(s): Ramprakash Saran and A. Purohit

Pattern of litter fall and litter decomposition in a Quercus leucotrichophora A. Camus forest in Kumaun Himalaya

January 2014

The present paper reports on the leaf litter, wood litter, miscellaneous litter and total litter fall in Quercus leucotrichophora forests of the Kumaun Himalaya. Peak values of leaf, wood and miscellaneous litter fall occurred in May, June and November and December respectively. The total annual litter fall was 538.85 g m-2, of which leaf, wood and miscellaneous litters accounted for 72.35, 23.04 and 4.53% respectively....

Author(s): Sanjay Kumar and Lalit M. Tewari

Correlation and path coefficient analysis of yield and yield components in lentil (Lens culinaris Medik.) germplasm in the highlands of Bale, Ethiopia

January 2014

Genetic diversity is essential for genetic improvement of given crops. If the information on genetic diversity is not enough to utilize, the available variability genetic diversity study should be crucial. Accordingly, twelve lentil germplasms were evaluated at two locations, Sinana and Agarfa, South eastern Ethiopia in the 2012/13 cropping season to obtain information on genetic diversity and variability in the...

Author(s): Tadele Tadesse, Teshome Leggesse, Behailu Mulugeta and Gashaw Sefera

Effect of pre-sowing treatments on seed germination in Quercus serrata Thunb. and Quercus semecarpifolia Sm.

December 2013

Quercus species are major forest forming species and helps in sustaining an ecosystem. Natural regeneration of these species is very poor due to various biological and physical factors. The present study was conducted to evaluate the effect of different pre-sowing treatments (scarification and cold- stratification) on seed germination of two Quercus species, that is, Quercus serrata (deciduous) and Quercus...

Author(s): Aseesh Pandey and Sushma Tamta

Among and within population variation in growth dynamics and floral sex ratios in Inula racemosa; a critically endangered medicinal herb of N. W. Himalayas

December 2013

The purpose of the present study was to determine the extent to which different morphological and reproductive characteristics of a critically endangered, Himalayan herb (Inula racemosa) varied along an altitudinal gradient. To this end, seven populations growing at different altitudes (1595 - 2800 m asl) across the Kashmir Himalaya were assessed. ANOVA expressed significant differences (P=0.05) in all growth parameters...

Author(s): Peerzada Arshid Shabir, Irshad Ahmad Nawchoo and Aijaz Ahmad Wani

Impact of the invasive shrub, Lantana camara L. on soil properties in Nairobi National Park, Kenya

December 2013

Lantana camara L. (Verbenaceae) is an invasive shrub of global significance in the conservation of biodiversity in terrestrial ecosystems. The invasive species has profound impact on soil ecosystems due to its allelopathic and litter accumulation effect. This study tested for its impact on soil properties in Nairobi National Park (NNP) by randomly sampling soil from the invaded and un-invaded sites in three habitats...

Author(s): Yusuf R. Simba, Abel M. Kamweya, Peter N. Mwangi and John M. Ochora

Studies on floristic diversity of an organic farm of Himachal Pradesh, India: Transformation of a barren land to a productive niche

December 2013

The ecological aspects pertaining to floral diversity, cropping systems and crop diversification of an organic farm CSKHPKV, Palampur were studied. The data for two years, that is, 2006-07 and 2007-08 was analyzed. The initial recorded data pertaining to various activities in the organic farm before 2006-07 showed low fertility soil status, very low productivity and least biodiversity in a so called barren land before...

Author(s): Dipika Rana and Haseeb Masoodi

Physico-chemical factors affecting the distribution of wetland birds of Barna Reservoir in Narmada Basin, Central India

December 2013

The ecology of wetland birds of the Barna Reservoir was studied from March 2009 to February 2011. Species composition, diversity and abundance of birds were assessed. Sixty four (64) species of wetland birds were enumerated. Fourteen (14) environmental variables were correlated with the wetland birds species richness among which most of the variables were positively correlated with bird species richness except water...

Author(s): Satish Balapure, Sumana Dutta and Vipin Vyas

Community organization, ecological distribution and diversity of trees and shrubs in selected areas of Branwar Forest of Kashmir Himalaya

December 2013

Periodic studies were conducted in four selected sites of Branwar foresfiet area of Kashmir Himalaya in the year 2010 to 2011 for assessing ecological distribution and diversity of trees and shrubs. The Plant Community Organizational features, ecological distribution and diversity of different study sites in the Branwar Forest during 2010 to 2011 are markedly variable with regard to the life-forms namely, trees and...

Author(s): Idrees Yousuf Dar, G. A. Bhat and A. K. Raina

Influence of insecticide treatment on ant diversity in tropical agroforestry system: Some aspect of the recolonization process

December 2013

In order to assess the influence of insecticides treatment on ant diversity and recolonization processes in cocoa based agroforestry systems, sampling was performed using chemical knock-down technique during two consecutive cocoa campaigns (2006 and 2007) in six smallholding cocoa farms located in tree localities of the Centre Region of Cameroon. These localities are located along the South-North agroecological...

Author(s): Zéphirin Tadu, Champlain Djiéto-Lordon, Regis Babin, Yede, Edith Blandine Messop-Youbi, and Abraham Fomena

Potential impacts of recent climate change on biological control agents in agro-ecosystem: A review

December 2013

Global climate change is a change in the long-term weather patterns that characterize the regions of the world. It is evident from increase in global average temperature, changes in the rainfall pattern and extreme climatic events. The impacts of warming can already be observed in many places, from rising sea levels to melting snow and ice to changing weather patterns. Climate change is already affecting...

Author(s): S. Selvaraj, P. Ganeshamoorthi and T. Pandiaraj

Cultural and socio-economic perspectives of the conservation of Asanting Ibiono Sacred Forests in Akwa Ibom State, Nigeria

November 2013

Culturally, sacred forests have been an integral part of many Africa traditional societies for centuries. For decades, these traditions have encouraged community driven nature conservation attitudes and have ensured the conservation of native biodiversity, supplying non-timber forest products (NTFPs), supporting ecological, religious, cultural and socio-economic functions. This long standing tradition is on the decline...

Author(s): Udeagha, Agbaeze Umazi, Udofia, Samuel Iwa and Jacob, Daniel Etim

Meristic and morphological characterization of the freshwater prawn, Macrobrachium macrobrachion (Herklots, 1851) from the Mono River – Coastal Lagoon system, Southern Benin (West Africa): Implications for species conservation

November 2013

The freshwater prawn, Macrobrachium macrobrachion is one of the shrimp’s species that contribute to the fisheries in the Mono River – Coastal Lagoon water system of the Southern Benin, where major causes of environmental degradation that affect species integrity and survival, are hydro electrical dam, bridges, mangrove destruction, water hyacinth invasion, dumping of domestic wastes from...

Author(s): Alphonse Adite, Youssouf Abou, Edmond Sossoukpe, M. H. A. Gildas Gbaguidi and Emile D. Fiogbe

Forest bird diversity and edge effects on three glade types at Mount Meru Game Reserve, Tanzania

November 2013

This study examined the edge effects on forest bird diversity in five man-made, five upper natural and 15 lower natural glades in the Mount Meru Game Reserve, Tanzania from September 2005 to November 2005. Bird species composition differed significantly between the three glade types. Mountain Greenbul and Common Bulbul were indicators of forest edge habitat for upper natural and man-made glades, respectively. Bird total...

Author(s): Ladislaus W. Kahana, Gerard Malan and Teresa J. Sylvina

The abundance of five rare tree species in forests on limestone hills of northern Vietnam

November 2013

Rare tree species may become endangered as a result of forest conversion and disturbance. The availability of reliable ecological information on such tree species may help in conservation efforts, but such data is often limited. We studied the abundance of five red-listed tree species in an old-growth forest growing on limestone hills in northern Vietnam and identified potentially relevant ecological factors. Three of...

Author(s): The Long Ngo, and Dirk Hölscher 

Wildlife crop damage valuation and conservation: conflicting perception by local farmers in the Luangwa Valley, eastern Zambia

November 2013

Wildlife conservation in Luangwa Valley depends on perception by local communities, and is affected by wildlife crop raiding. Perception of local farmers were elucidated between 2006/7 and 2008/9 farming seasons. Data collection was done using prescribed forms and semi-structured questionnaires by trained field assistants. The case study findings confirm that firstly, perceived and actual crop losses differed by 49.49...

Author(s): Vincent R. Nyirenda, Willem J. Myburgh, Brian K. Reilly, Andrew I. Phiri and Harry N. Chabwela

On-farm Musa germplasm diversity in different agro-ecologies of Burundi

November 2013

Burundi is part of the secondary centre of diversity for the east African highland bananas (Musa AAA-EA). However, Musa diversity in Burundi has declined in the past two decades due to pests, diseases and civil unrest. A Musa germplasm diagnostic survey carried out in three provinces- Gitega in Central, Kirundo in Northern and Cibitoke in north-western Burundi, assessed...

Author(s): W. Ocimati, G. Blomme, D. Karamura, P. Ragama, P. Lepoint, J. P. Kanyaruguru, F. Ngezahayo, V. Ndungo and S. Hakizimana

Using odonates as markers of the environmental health of water and its land related ecotone

November 2013

The study of Odonata communities along wetlands requires the basic understanding of the abundance, distribution and number of species present. As habitat conditions change, they also exhibit changes in their diversity and distribution. Odonata assemblages were surveyed along the Densu River at Atewa Range Forest Reserve (ARFR) and Nsawam in the Eastern Region of Ghana and Weija in the Greater Accra Region of Ghana. Of...

Author(s): D. Acquah - Lamptey, R. Kyerematen and E. O. Owusu

Genetic divergence analysis of garden cress (Lepidium sativum L.)

November 2013

The D2 analysis allowed the 49 garden cress accessions to be classified into seven distinct clusters. Cluster 1 included 16 accessions that mature and flower early. Cluster 2 contained 11 accessions, which had the higher mean values for both numbers of primary and secondary branches, harvest index and seed yield/plant. They also showed higher number of seeds per plant and per plot than the overall mean value....

Author(s): Temesgen Bedassa, Mebeaselassie Andargie and Million Eshete

Genetic variation of barley germplasm from Turkey assessed by chloroplast microsatellite markers

November 2013

Five chloroplast DNA microsatellite loci were tested to analyze cytoplasmic variation in a set of 94 barley accessions; 23 Hordeum vulgare ssp. spontaneum (wild) from Southeastern Anatolia, 47Hordeum vulgare ssp.vulgare landraces and 24 Turkish barley cultivars. Fifteen (15) haplotypes were detected. Within wild barley, two of the five loci were polymorphic with two or three alleles and four haplotypes...

Author(s): Hülya SÄ°PAHÄ°, Hasan MEYDAN and KürÅŸad ÖZBEK

Species diversity and abundance of Avifauna in and around Hombolo Wetland in Central Tanzania

November 2013

This study assessed the species composition, relative abundance and species diversity of avifauna found in wetland and terrestrial habitats in and around Hombolo Lake. Transect walk, point transect and direct observation methods were deployed for birds’ survey. Sampling sites were established following the established transect on the terrestrial area and on the edge around the lake, with an interval of 200 m...

Author(s): Geofrey E. Soka, Pantaleo K. T. Munishi and Mgina B. Thomas

Cropland bird community of rain fed region in India: Abundance, activity pattern and susceptibility to pesticide use

October 2013

The activities of cropland birds in an agricultural land are most likely unpredictable in the rain fed region of Maharashtra, India, and therefore the exposure to risk of pesticides application by cropland bird species cannot be sufficiently categorized. The pattern of abundance, territorial, foraging and other activities of cropland avian species was examined at two croplands in Amravati District of Maharashtra State...

Author(s): Manoj Kale, Nandkishor Dudhe, Raju Kasambe, Kiran Morey and Prosun Bhattacharya

Plant diversity in tropical deciduous forests of Eastern Ghats, India: A landscape level assessment

October 2013

  A landscape level plant diversity and population inventory was made in northern portion of eastern Ghat region of India comprising mostly dry deciduous and moist deciduous forests. A total of 444 transects of 0.5 ha (5 × 1000 m) area each was used for enumerating trees. Diversity and density of herbs, shrubs, lianas and regeneration of tree species were assessed from 5 x 5 m size plots within transects....

Author(s):   Pratap Chandra Panda, Ajay Kumar Mahapatra, Pradosh Kumar Acharya and Akhil Kumar Debata

Heavy metals (Cd, Ni and Pb) pollution effects on cassava (Manihot esculenta Crantz)

October 2013

  The response of crops to heavy metals is important to plant breeders working on marginal environments. Environmentalists need such knowledge for environmental quality assessment. Consequently, a study was carried out to determine the effect of heavy metals (Cd, Ni and Pb) stress on cassava in a greenhouse. The treatments comprised five improved cassava varieties (TME 419, TMS 98/0505, TMS 98/0510, TMS 98/0581...

Author(s):   Ano, A. O., Eke-Okoro, O. N. and Egesi, C. N.

A survey of rice farmers’ farming practices posing threats to insect biodiversity of rice crop in the Punjab, Pakistan

October 2013

  During a survey and through face to face interviews of rice farmers, their attitudes and substandard farming practices were investigated as threats to insect biodiversity associated with rice crop agroecosystem. Excessive and increasing use of agrochemicals (78.7%) and rice straw burning (68%) along with animal grazing were explored as major threats. Rational use of agrochemicals and legislation about bans of...

Author(s):   Muhammad Asghar, Muhammad Arshad, Muhammad Fiaz, Anjum Suhail and Arshad Makhdoom Sabir  

Genetic similarity among Caesalpinia echinata trees and their ex situ conservation

October 2013

  Brazilwood (Caesalpinia echinata Lam) is a tree native to the Atlantic rainforest. It has been exploited since the Brazilian colonial period and the remaining natural populations of C. echinata have been reduced to small forest fragments, or are conserved in arboreta and ecological parks. This study aimed to identify the degree of genetic diversity present within brazilwood trees from three...

Author(s):   Fernanda Barbosa Cupertino, Sônia Cristina Oliveira Melo and Ronan Xavier Corrêa  

Morphometric characterization of Nigerian indigenous sheep using multifactorial discriminant analysis

October 2013

  Adequate knowledge of diversities within and between animal populations will not only help in reducing misidentification in animal husbandry but also aid conservation of many important endangered alleles. A total number of 1195 animals comprising 380 Yankasa sheep, 414 Uda sheep, 224 Balami sheep and 177 West African Dwarf (WAD) sheep were sampled from Osun and Oyo states, South Western Nigeria. Yankasa and...

Author(s):   A. J. Yunusa, A. E. Salako and O. A Oladejo  

Hymenopteran diversity in a deciduous forest from South India

October 2013

  Hymenoptera diversity was investigated in a deciduous forest from South India during July 2009 to June 2010. Among the 38 collected species, the identified 36 species belong to 21 genera and nine families. The dominant families include Vespidae, Apidae, Formicidae, Sphecidae and Megachilidae, respectively. In the present study, the hymenopterans like the carpenter bees, honey bees, leaf cutter bees and ants...

Author(s):   Anita Kannagi, V. Sivakumar, V. Santhi and Jemima Florence Borgia

Migratory status of the goral, Naemorhedus goral (Hardwicke) (Artiodactyla: Bovidae) in Kohistan, Pakistan

October 2013

  The Himalayan goral, Naemorhedus goral (Hardwicke) (Artiodactyla: Bovidae) is classified as endangered internationally and vulnerable in Pakistan. Its migratory status was determined from 24thMay to 10th July, 2010 in the Pattan and Keyal Valleys, Kohistan, Pakistan. The 165 questionnaires were filled in 15 study sites (Pattan, eight study sites; Keyal, seven study...

Author(s):   Farzana Perveen and Anzela Khan

Glade use by common warthog, African buffalo, mountain reedbuck and bushbuck in Mount Meru Game Reserve, Tanzania

October 2013

Glade use by common warthog (Phacochoerus africanus), African buffalo (Syncerus caffer), mountain reedbuck (Redunca fulvorufula) and bushbuck (Tragelaphus scriptus) was studied in five man-made, five upper natural and 15 lower natural glades in Mount Meru Game Reserve, Tanzania. Direct observations were made on glade use by each species on four different days; 200 and 300 observation periods for warthogs (mornings and...

Author(s): Ladislaus W. Kahana, Gerard Malan and Teresa J. Sylvina

Media coverage of nature conservation and protection in Nigeria National Parks

October 2013

  Low level of knowledge and awareness of the conservation efforts and activities of Nigeria National Parks in wider Nigerian public have been observed and prompted this study. Five print media (newspapers) and four electronic media (television and radio) were sampled. The print media were The Punch, Nigerian Tribune, The Nation, The Vanguard and The Guardian newspapers while the electronic media were Edo...

Author(s):   Ogunjinmi, A. A., Onadeko, S. A. and Ogunjinmi, K. O.

Sustainable agriculture productivity through restoration of tank irrigation system with stakeholder decision : Case study in rural tank eco system

October 2013

The tank irrigation system have provided support for the livelihood of the rural communities and have to be restored and conserved as an economic assets, especially for the poor and marginalized communities in the under developed areas. The tank irrigation system has a special significance to the marginal and small-scale farmers who make a very large number essentially depending on tank...

Author(s): A. Deivalatha and N. K. Ambujam

Diversity of macrofungi at the University of Dar es Salaam Mlimani main campus in Tanzania

October 2013

Macrofungi play important roles in nutrient cycling, forestry, pharmacology industry, production of cultivated fungi in the food industry, as well as their vital role in biodegradation and biodeterioration. Information about the diversity, community organization, and variations in time and space of macrofungi community belonging to the Basidiomycota and Ascomycota at the University of Dar es Salaam (UDSM)...

Author(s): Donatha Damian Tibuhwa

Pollinator biodiversity in Uganda and in Sub-Sahara Africa: Landscape and habitat management strategies for its conservation

October 2013

Previous pollinator faunistic surveys conducted in 26 different sites indicated that  farmlands of central Uganda supported more than 650 bee species, 330 butterfly species and 57 fly species. Most crop species grown in Uganda are pollinator-dependents. There is also a high dependency of rural communities on pollination services for their livelihoods and incomes. The annual economic value attributable to...

Author(s): M. B. Théodore MUNYULI,

Use of ethnobotanical criteria for conservation assessment of plants used for respiratory diseases in Lake Victoria region, Tanzania

October 2013

The focus of the paper was to use an ethnobotanical approach to identify for conservation, priority medicinal plants used for respiratory diseases in Lake Victoria region of Tanzania. Recent incidences of respiratory diseases profoundly affect plant diversity as they lead to selective consumerism of plant species. Trend of respiratory diseases in Lake Victoria region is alarming due to highest HIVprevalence....

Author(s): J. N. Otieno, J. J. Magadula, E. Kakudidi, C. Kirimhuzya, J. Orodho and P. Okemo

‘Biodiversity conservation of Himalayan medicinal plants in India: A retrospective analysis for a better vision’

September 2013

  Ever-increasing demand of herbal medicines in the world market has put alarming threats to the existence of Himalayan medicinal plants, reported to be the richest source of active bio-molecules. Due to overexploitation, majority of these bear threatened status while some have become extinct. Variousin-situ and ex-situ conservation efforts have been made by the Government of India through...

Author(s):   Manoj Siwach, Priyanka Siwach, Priyanka Solanki and Anita Rani Gill

Variability and trends of air temperature and pressure at Port Said, Egypt, 1978-2008

September 2013

The climatologically records of hourly surface air temperature and pressure collected at Port Said weather land stations during the period from 1978 to 2008 are used to study the long term variability of both parameters. January, December and February were considered the coldest months through the years of the whole period with occurrence of about 65.5, 13.8 and 20.7% values, respectively. In the opposite side, August...

Author(s): Nabil, N. N. Saad, Sharaf El-Din S. H. and Ebtessam E. E. Mohamed

Registration of “Dibannee”, a newly released linseed variety for Bale Highlands, Ethiopia

September 2013

  Dibanee (CI-1525x CDC 1747/21), a medium height brown seed variety of linseed was selected anddeveloped by Sinana Agricultural Research Center, eastern Oromia, Ethiopia. The variety was released in 2009 for Bale highlands and similar agro-ecologies. This variety was selected from the variety trial tested together with 15 other test genotypes and checks (local cultivar and the previously released variety for...

Author(s):   Tadele Tadesse, Mulusew Fikre and Teshome Leggesse  

Diversity analysis in Plectranthus edulis (Vatke) Agnew collection in Ethiopia

September 2013

  Thirty six (36) accessions of Plectranthus edulis were evaluated to assess the extent of genetic diversity within the collected accessions using 16 characters. Analysis of variance for each characters indicated highly significant (p<0.01) variation among the accessions for all characters except tuber length. The accessions under study were grouped into six clusters. Clusters I and II contained...

Author(s):   Weyessa Garedew, Admasu Tsegaye, Bezuayehu Tesfaye and Hussein Mohammed

Evaluation of pesticide tolerant strain of Cotesia flavipes Cameron (Hymenoptera: Braconidae) on maize stem borer, Chilo partellus (Swinhoe)

September 2013

  Field evaluation of pesticide tolerant strain of Cotesia flavipes Cameron, a gregarious larval endoparasitoid of the maize stem borer, Chilo partellus (Swinhoe) was carried out and the economics of such evaluation was worked out. Releases of the pesticide tolerant parasitoid strain, prior to application of pesticide or after application resulted in significantly higher net returns and...

Author(s):   K. Srinivasa Murthy, R. Rajeshwari, S. K. Jalali and T. Venkatesan

The impacts of humans and livestock encroachments on the habitats of mountain nyala (Tragelaphus buxtoni) in Munessa, Ethiopia

September 2013

  Measuring the extent of humans and livestock encroachments on the habitats of the endangered mountain nyala is crucial to ensuring effective conservation, but empirical evidence is lacking. In order to examine the risk-disturbances hypothesis, we assessed and quantified the impacts of humans and livestock encroachments on the habitats utilized by mountain nyala in Munessa, Ethiopia. We estimated the activity...

Author(s):   Solomon A. Tadesse and Burt P. Kotler

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