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Articles 1 - 11 of 11
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Biological Diversity And Seasonal Variation Of Mesozooplankton In The Southeastern Black Sea Coastal Ecosystem, İlknur Yildiz, Ali̇ Muzaffer Feyzi̇oğlu
Biological Diversity And Seasonal Variation Of Mesozooplankton In The Southeastern Black Sea Coastal Ecosystem, İlknur Yildiz, Ali̇ Muzaffer Feyzi̇oğlu
Turkish Journal of Zoology
In this study, the seasonal distribution of mesozooplankton was investigated between 1999 and 2006 at a station located in the southeastern Black Sea region. A total of 40 cruises were done within the southeastern continental shelf throughout this period in order to collect mesozooplankton samples. A total of 10 mesozooplankton species were identified. The average annual highest abundances of species were 67,770 ind./m^2 in 2000 (Penilia avirostris), 50,048 ind./m^2 in 2001 (Sagitta setosa), 42,143 ind./m^2 in 2006 (Oikopleura dioica), 27,987 ind./m^2 in 2005 (Acartia clausi), 25,792 ind./m^2 in 2001 (Oithona similis), 24,806 ind./m^2 in 2005 (Pseudocalanus elongatus), 12,094 ind./m^2 in …
Competition For Food Between The Markhor And Domestic Goat In Chitral, Pakistan, Nasra Ashraf, Maqsood Anwar, Iftikhar Hussain, Muhammad Ali Nawaz
Competition For Food Between The Markhor And Domestic Goat In Chitral, Pakistan, Nasra Ashraf, Maqsood Anwar, Iftikhar Hussain, Muhammad Ali Nawaz
Turkish Journal of Zoology
The markhor (Capra falconeri) is endangered globally as well as in Pakistan. The Chitral district in Pakistan supports one of the largest populations of this species. The rural communities of the district have large holdings of livestock, which make up a significant part of their livelihood system. The domestic goat is the dominant livestock species, and a potential competitor with the markhor due to habitat overlap. The present study was conducted to examine the extent of food competition between the markhor and domestic goat in Chitral. A total of 120 pellets of the 2 species were collected during the spring …
Ellenberg’S Indicator Values For Soil Nitrogen Concentration And Ph In Selected Swamp Forests In The Central Black Sea Region Of Turkey, Burak Sürmen, Hamdi̇ Güray Kutbay, Dudu Duygu Kiliç, Rena Huseyinova, Mahmut Kilinç
Ellenberg’S Indicator Values For Soil Nitrogen Concentration And Ph In Selected Swamp Forests In The Central Black Sea Region Of Turkey, Burak Sürmen, Hamdi̇ Güray Kutbay, Dudu Duygu Kiliç, Rena Huseyinova, Mahmut Kilinç
Turkish Journal of Botany
Ellenberg developed a system that assigns indicator scores for habitat characteristics of individual plant species. Swamp forests are highly diverse ecological communities and include different plant species, all of which have different ecological requirements. Ellenberg's indicator values (EIVs) were calculated for soil pH and nitrogen (N) concentration in some swamp forest species in the Central Black Sea region of Turkey. In this study, the EIVs for soil pH were usually similar in the swamp forest species studied, while some differences were found with respect to EIVs for soil nitrogen concentration. Tolerance values (TVs) of all of the studied species were …
Plastid And Nuclear Genomic Resources Of A Relict And Endangered Plant Species: Chamaedaphne Calyculata (L.) Moench (Ericaceae), Monika Szczecinska, Angelika Gomolinska, Piotr Szkudlarz, Jakub Sawicki
Plastid And Nuclear Genomic Resources Of A Relict And Endangered Plant Species: Chamaedaphne Calyculata (L.) Moench (Ericaceae), Monika Szczecinska, Angelika Gomolinska, Piotr Szkudlarz, Jakub Sawicki
Turkish Journal of Botany
Chamaedaphne calyculata, one of the largest shrubs in the family Ericaceae, is native to boreal zones of the northern hemisphere. The complete nucleotide sequence of the Chamaedaphne plastid genome was determined in the present study. The genome is a circular double-stranded DNA molecule 176,744 bp in length, that includes the typical large single-copy (LSC), small single-copy, and 2 inverted repeats (IR) regions. The C. calyculata plastid genome contains 113 genes, excluding the second IR region. A comparative analysis revealed that the plastid genome organization of the Chamaedaphne plastome is almost identical to that of Vaccinium macrocarpon, the first sequenced chloroplast …
Photocatalytic Antimicrobial Effect Of Tio_2 Anatase Thin-Film-Coated Orthodontic Arch Wires On 3 Oral Pathogens, Fi̇gen Özyildiz, Ataç Uzel, Ayşe Serpi̇l Hazar, Mustafa Güden, Sultan Ölmez, Işil Aras, İsmai̇l Karaboz
Photocatalytic Antimicrobial Effect Of Tio_2 Anatase Thin-Film-Coated Orthodontic Arch Wires On 3 Oral Pathogens, Fi̇gen Özyildiz, Ataç Uzel, Ayşe Serpi̇l Hazar, Mustafa Güden, Sultan Ölmez, Işil Aras, İsmai̇l Karaboz
Turkish Journal of Biology
The aim of this study was to introduce antimicrobial activity to stainless steel orthodontic arch wires by coating them with TiO_2 in anatase form. Stainless steel (0.016 × 0.022 inch), D-rect (0.016 × 0.022 inch), and multistranded hammered retainer wires (0.014 × 0.018 inch) were coated with TiO_2 anatase by the sol-gel dip coating method. The wires were assessed for their photocatalytic antimicrobial activity against Streptococcus mutans, Candida albicans, and Enterococcus faecalis. After illumination under UVA (315-400 nm) at 1.0 mW/cm^2 for 1 h, the reduction efficiencies of the anatase-coated arch wires were calculated by using colony-forming unit counts. All …
Responses Of Carbon Isotope Ratios Of C_3 Herbs To Humidity Index In Northern China, Xianzhao Liu, Qing Su, Chaokui Li, Yong Zhang, Qing Wang
Responses Of Carbon Isotope Ratios Of C_3 Herbs To Humidity Index In Northern China, Xianzhao Liu, Qing Su, Chaokui Li, Yong Zhang, Qing Wang
Turkish Journal of Earth Sciences
Uncertainties would exist in the relationship between delta^{13}C values and environmental factors such as temperature, resulting in unreliable reconstruction of paleoclimates. It is therefore important to establish a rational relationship between plant delta^{13}C and a proxy for paleoclimate reconstruction that can comprehensively reflect temperature and precipitation. By measuring the delta^{13}C of a large number of C_3 herbaceous plants growing in different climate zones in northern China and collecting early reported delta^{13}C values of C_3 herbs in this study area, the spatial features of delta^{13}C values of C_3 herbs and their relationships with humidity index were analyzed. The delta^{13}C values of …
Predicting Germination Of Medicago Sativa And Onobrychis Viciifolia Seeds By Using Image Analysis, Behnam Behtari, Martin De Luis, Adel Dabbagh Mohammadi Nasab
Predicting Germination Of Medicago Sativa And Onobrychis Viciifolia Seeds By Using Image Analysis, Behnam Behtari, Martin De Luis, Adel Dabbagh Mohammadi Nasab
Turkish Journal of Agriculture and Forestry
Image analysis is an accessible method that can convert qualitative variables to quantitative ones. Computer imaging has been used in seed biology in various ways, including seed vigor testing and seed identification. In this paper, the seeds of 2 species, Medicago sativa and Onobrychis viciifolia, were studied. Laboratory tests and a computerized experiment were conducted to evaluate the effects of accelerated aging on the seed vigor of both species. We measured the rate of germination using a factorial and completely randomized design, with 10 treatment combinations replicated 3 times. The main factors were accelerated aging (6, 12, 18, 24, and …
The Gill Morphology Of The Date Mussel Lithophaga Lithophaga (Bivalvia: Mytilidae), Deni̇z Akşi̇t, Beri̇a Falakali Mutaf
The Gill Morphology Of The Date Mussel Lithophaga Lithophaga (Bivalvia: Mytilidae), Deni̇z Akşi̇t, Beri̇a Falakali Mutaf
Turkish Journal of Zoology
The purpose of the present research was to study the descriptive anatomy of the gill of the mussel Lithophaga lithophaga. Mussels were collected from 2 sites in Antalya Bay, Turkey. Observations using stereomicroscopy and electron microscopy showed that the gills of L. lithophaga consist of homorhabdic filaments, a characteristic of the mytilids. The lamellae have cavities at their laterals in addition to their prominent ciliary structure on the frontal and lateral surfaces. The latero-frontal cilia extend in pairs, one attached to the other with a membrane and showing a composite structure. The ascending and descending lamellae are fused by fan-like …
Time-Activity Budgets Of Wintering Ferruginous Duck, Aythya Nyroca, At Gajoldoba Wetland, Jalpaiguri, India, Tanmay Datta
Time-Activity Budgets Of Wintering Ferruginous Duck, Aythya Nyroca, At Gajoldoba Wetland, Jalpaiguri, India, Tanmay Datta
Turkish Journal of Zoology
Results indicate resting as the main diurnal activity of Aythya nyroca, whereas feeding dominated during the night. Other than resting (56.3%), feeding (16.8%) and swimming (15.2%) were major activities of the diurnal time-activity budget, whereas preening (9.4%) and flying (2.3%) were less frequent and occupied a secondary rank. Feeding and swimming were prevalent during the morning and afternoon hours. During midday, most of the ducks indulged in resting. The small amount of time spent on diurnal feeding was compensated by voracious nocturnal feeding (64.6%), which peaked in the middle of the night. Human interference plays an important role in shaping …
Rotifers Of Southwest Iran: A Faunistic And Biogeographical Study, Raheleh Reihan Reshteh, Hassan Rahimian
Rotifers Of Southwest Iran: A Faunistic And Biogeographical Study, Raheleh Reihan Reshteh, Hassan Rahimian
Turkish Journal of Zoology
The fauna of freshwater rotifers from Khuzestan Province (Southwest Iran) was expected to be different from that of the rest of Iran because of its geographical position, past geological events, climatic conditions, and similarities to neighboring zoogeographical areas. To test this hypothesis, we first had to determine the rotifer fauna of Khuzestan and then compare it with the results of surveys from other parts of Iran as well as with those from neighboring regions. Samples were collected from 10 sites throughout the province from May 2009 to April 2010. During the study, 66 species were identified, mostly with distribution in …
Updated Checklist Of Sponges (Porifera) Along The Coasts Of Turkey, Bülent Topaloğlu, Alper Evcen
Updated Checklist Of Sponges (Porifera) Along The Coasts Of Turkey, Bülent Topaloğlu, Alper Evcen
Turkish Journal of Zoology
This study compiled the data from previous papers emphasizing sponge species on the Turkish coasts. In total, 131 species belonging to 46 families have been reported: 82 species from the Aegean Sea, 63 species from the Sea of Marmara, 51 species from the Levantine Sea, and 13 species from the Black Sea. Among these species, 3 species are new records for the marine fauna of Turkey: Rhizaxinella elongata, Axinyssa digitata, and Terpios gelatinosa. Raspalia viminalis is a new record for the Sea of Marmara. The morphological and distributional features of 3 species are presented. In addition, a checklist of the …