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Dynamics Of Co2 Consumption, And Biomass And Lipid Carbon Production During Photobioreactor Cultivation Of The Diatom Cyclotella, Altan Özkan Jan 2023

Dynamics Of Co2 Consumption, And Biomass And Lipid Carbon Production During Photobioreactor Cultivation Of The Diatom Cyclotella, Altan Özkan

Turkish Journal of Botany

Understanding of CO2 delivery and consumption dynamics in algal photobioreactors are critical to unravel microalgae?s full potential for bioproduct generation and carbon capture from flue gas streams. This study aims to expand our current understanding by cultivating the diatom Cyclotella under controlled process conditions of a bubble column photobioreactor and analyzing CO2 consumption dynamics in real time using results from an online CO2 sensor connected to the reactor exhaust. Two sets of experiments were conducted: they served to contrast the influence of silicon and nitrate (Si&N colimitation) and Si limitation, and the light availability, respectively. CO2 consumption …


Population Abundance And Growth Parameters Of An Exotic Bivalve Species, Anadara Kagoshimensis, In The Southwestern Black Sea, Murat Dağteki̇n, Göktuğ Dalgiç, Murat Erbay, İlkay Özcan Akpinar, Mehmet Aydin, Süleyman Özdemi̇r, Ayşe Cebeci̇, Sedat Karayücel Jan 2023

Population Abundance And Growth Parameters Of An Exotic Bivalve Species, Anadara Kagoshimensis, In The Southwestern Black Sea, Murat Dağteki̇n, Göktuğ Dalgiç, Murat Erbay, İlkay Özcan Akpinar, Mehmet Aydin, Süleyman Özdemi̇r, Ayşe Cebeci̇, Sedat Karayücel

Turkish Journal of Zoology

Blood cockle (Anadara kagoshimensis) is an Indo-Pacific species that later entered the Black Sea. The abundance of A. kagoshimensis, which is not subjected to commercial fishing, is important in terms of food competition with other bivalvia species. Baby clam (Chamelea gallina) together with the A. kagoshimensis are dominant bivalve species found in the sandy and muddy areas off the coastal waters of the Black Sea. In this study, specimens of A. kagoshimensis have been recognized by morphological analysis and also confirmed by molecular characterization. Furthermore, the abundance and growth parameters of A. kagoshimensis were investigated in the …


Postmucilage Biodiversity Of Shallow Water Fish Assemblages: A Case Study In The Marmara Sea, Turkey, İsmai̇l Burak Daban, Yusuf Şen, Adnan Ayaz, Uğur Altinağaç, Alkan Özteki̇n, Uğur Özeki̇nci̇, Ali̇ İşmen, Fi̇kret Çakir, Ahsen Yüksek, Teki̇n Demi̇rkiran, Oğuzhan Ayaz, Gençtan Erman Uğur, Bumi̇nhan Burkay Selçuk Jan 2023

Postmucilage Biodiversity Of Shallow Water Fish Assemblages: A Case Study In The Marmara Sea, Turkey, İsmai̇l Burak Daban, Yusuf Şen, Adnan Ayaz, Uğur Altinağaç, Alkan Özteki̇n, Uğur Özeki̇nci̇, Ali̇ İşmen, Fi̇kret Çakir, Ahsen Yüksek, Teki̇n Demi̇rkiran, Oğuzhan Ayaz, Gençtan Erman Uğur, Bumi̇nhan Burkay Selçuk

Turkish Journal of Zoology

A dense mucilage event occurred between November 2020 and August 2021 in the Marmara Sea, Turkey. In this study, the aim was to understand the effect of mucilage on coastal fish biodiversity. For this purpose, juvenile and small-sized adult fish species were sampled with an experimental beach seine at 12 equally-spaced stations around the Marmara Sea between November 2021 and April 2022. In total, 34 species belonging to 19 families were sampled. Approximately 70% of the total fish abundance were Atherina boyeri Risso, 1810, Chelon auratus (Risso, 1810) and Chelon saliens (Risso, 1810). Highest abundance was detected from S5 …


Productivity Of Sorghum (Sorghum Bicolar L.) At Diverse Irrigation Regimes And Sowing Dates In Semi-Arid And Arid Environment, Muhammad Kashif Mubarik, Khadim Hussain, Ghulam Abbas, Muhammad Tanveer Altaf, Faheem Shahzad Baloch, Shakeel Ahmad Jan 2022

Productivity Of Sorghum (Sorghum Bicolar L.) At Diverse Irrigation Regimes And Sowing Dates In Semi-Arid And Arid Environment, Muhammad Kashif Mubarik, Khadim Hussain, Ghulam Abbas, Muhammad Tanveer Altaf, Faheem Shahzad Baloch, Shakeel Ahmad

Turkish Journal of Agriculture and Forestry

Determining optimal sowing date, optimal number of irrigation applications, and best-performing cultivars is critical to maximizing achievable sorghum yield in semiarid and arid environments. Limited research is available on interactive effects of sowing date, irrigation frequency, and genotype at multiple locations. Consequently, this study was conducted to determine impact of sowing dates, irrigation regimes, and cultivars on yield and growth traits during 2016 and 2017 at two locations in Pakistan. Experiments were laid out in a split-split design at Maize and Millets Research Institute, Yusafwala, Sahiwal, and at Bahauddin Zakariya University, Multan. Each experiment was comprised of three factors: (a) …


Fish Larvae Assemblages Of Gökçeada Island, North Aegean Sea: Effect Of Weekly Samplinginterval On Their Incidences, İsmai̇l Burak Daban, Ali̇ İşmen Jan 2020

Fish Larvae Assemblages Of Gökçeada Island, North Aegean Sea: Effect Of Weekly Samplinginterval On Their Incidences, İsmai̇l Burak Daban, Ali̇ İşmen

Turkish Journal of Zoology

The species composition and temporal variations of fish larvae in shallow waters (


Interactions Between Topsoil Properties And Ecophysiological Responses Of Mangroves(Avicennia Marina) Along The Tidal Gradient In An Arid Region In Qatar, Hanna Chang, Seung Hyun Han, Seongjun Kim, Jiae An, Juha Alatalo, Yowhan Son Jan 2020

Interactions Between Topsoil Properties And Ecophysiological Responses Of Mangroves(Avicennia Marina) Along The Tidal Gradient In An Arid Region In Qatar, Hanna Chang, Seung Hyun Han, Seongjun Kim, Jiae An, Juha Alatalo, Yowhan Son

Turkish Journal of Agriculture and Forestry

This study investigated the interactions between topsoil properties and ecophysiological responses of Avicennia marina along the tidal gradient in an arid region in Qatar. In February 2017, three plots were established, each at a distance of 0 m (D0), 50 m (D50), and 100 m (D100) from the inland boundary of a mangrove forest. Soil samples were collected at 0-10-cm depth in each plot to determine the chemical properties, and the density of seedlings, saplings, and trees was measured. Moreover, above- (AGB) and below-ground biomass (BGB) were calculated using an allometric equation for A. marina with the measured diameter at …


Ratio-Based Vegetation Indices For Biomass Estimation Depending On Grassland Characteristics, Ahmet Karakoç, Murat Karabulut Jan 2019

Ratio-Based Vegetation Indices For Biomass Estimation Depending On Grassland Characteristics, Ahmet Karakoç, Murat Karabulut

Turkish Journal of Botany

Aboveground biomass (AGB) is one of the key indicators of aboveground net primary productivity (ANPP). The aim of this study is to demonstrate the potential of hyperspectral remote sensing techniques to predict AGB in grasslands. In order to reach this goal, biomass properties with different ecological features and altitudes of 550 m, 1200 m, and 1400 m above sea level were investigated. Twenty-one biomass samples and hyperspectral measurements were collected from each region and a total of 63 samples were analyzed. Linear and nonlinear regression models were generated to analyze the relationships between biomass and hyperspectral vegetation indices (VIs). The …


Spatial Structuring Of Zooplankton Communities Through Partitioning Of Habitat And Resources In The Bay Of Bengal During Spring Intermonsoon, Veronica Fernandes, Nagappa Ramaiah Jan 2019

Spatial Structuring Of Zooplankton Communities Through Partitioning Of Habitat And Resources In The Bay Of Bengal During Spring Intermonsoon, Veronica Fernandes, Nagappa Ramaiah

Turkish Journal of Zoology

Despite advances in oceanographic investigations in the Indian Ocean, zooplankton ecology is still poorly known from the open waters of the Bay of Bengal. In order to understand the vertical and horizontal distribution of zooplankton in the Bay of Bengal during spring intermonsoon, stratified sampling was conducted using a multiple plankton net. We found that higher zooplankton biomass was often associated with mesoscale cold-core eddies. The biomass in the mixed layer was less in the central bay and the near absence of organisms beneath this layer was attributed to the very low dissolved oxygen levels, including suboxia in the northern …


Distribution And Diversity Of Earthworm (Annelida, Clitellata)Populations Across Four Land Use Types In Northern Cameroon, Michel Mathurin Kamdem, Patricks Voua Otomo, Albert Ngakou, Nicolas Njintang Yanou Jan 2018

Distribution And Diversity Of Earthworm (Annelida, Clitellata)Populations Across Four Land Use Types In Northern Cameroon, Michel Mathurin Kamdem, Patricks Voua Otomo, Albert Ngakou, Nicolas Njintang Yanou

Turkish Journal of Zoology

Earthworms are present in all types of soil. Changes in land use influence populations of earthworms. However, information on the dynamics of earthworm populations in northern Cameroon is not available. This paper highlights the research carried out on the abundance, biomass, and diversity of earthworm populations throughout four types of land use in northern Cameroon. Earthworms were sampled throughout the rainy season in three regions, across pastures, woody savannahs, grass savannahs, and fields, using formaldehyde and hand sorting. Earthworms of the woody savannah and pasture have a high mean density (63 and 45 individuals/m2, respectively) and biomass (25.2 and 22 …


Seasonal Variation And Taxonomic Composition Of Mesozooplankton In The Southern Black Sea (Off Sinop) Between 2005 And 2009, Funda Üstün, Levent Bat, Erhan Mutlu Jan 2018

Seasonal Variation And Taxonomic Composition Of Mesozooplankton In The Southern Black Sea (Off Sinop) Between 2005 And 2009, Funda Üstün, Levent Bat, Erhan Mutlu

Turkish Journal of Zoology

The monthly and long-term fluctuations of mesozooplankton abundance, biomass, and taxonomic composition in the Sinop inner harbor (southern Black Sea) between 2005 and 2009 are presented in the present study. In total, 31 mesozooplankton taxa were identified during the study. The recorded average mesozooplankton abundance and biomass were 34,323 ± 7580 ind. m$^{-2}$ and 1208 ± 460 mg m$^{-2}$ in 2005, 95,063 ± 31,434 ind m$^{-2}$ and 1787 ± 604 mg m$^{-2}$ in 2006, 97,626 ± 12,141 ind m$^{-2}$ and 1034 ± 20 mg m$^{-2}$ in 2007, 91,918 ± 10,476 ind m$^{-2}$ and 775 ± 121 mg m$^{-2}$ in 2008, …


Phytoplankton Dynamics And Structure, And Ecological Status Estimation By The Q Assemblage Index: A Comparative Analysis In Two Shallow Mediterranean Lakes, Tuğba Ongun Sevi̇ndi̇k, Hati̇ce Tunca, Ari̇f Gönülol, Ni̇sa Gürsoy, Şeyma Nur Küçükkaya, Zuhal Kinali Jan 2017

Phytoplankton Dynamics And Structure, And Ecological Status Estimation By The Q Assemblage Index: A Comparative Analysis In Two Shallow Mediterranean Lakes, Tuğba Ongun Sevi̇ndi̇k, Hati̇ce Tunca, Ari̇f Gönülol, Ni̇sa Gürsoy, Şeyma Nur Küçükkaya, Zuhal Kinali

Turkish Journal of Botany

The aim of this research was to compare the phytoplankton structure on the basis of environmental variables and test the Q assemblage index based on phytoplankton functional groups in two shallow Mediterranean lakes [Lake Taşkısığı (LT) and Lake Little Akgöl (LLA)] in the north of Turkey. Variations in the phytoplankton structure and environmental parameters were analyzed monthly at two stations of each lake between January 2013 and December 2013. We showed that total phosphorus (TP) values were vital in shaping phytoplankton biomass in eutrophic LLA. Nitrate-nitrogen (NO3-N), TP, zmix/zeu, and macrophyte coverage are important in shaping the differences in dominant …


Plant Biomass: Insights From Imaging Cell Walls Using Molecular Probes, Utku Avci Jan 2016

Plant Biomass: Insights From Imaging Cell Walls Using Molecular Probes, Utku Avci

Turkish Journal of Botany

Cell walls are an important and growing subject of research in plant biology. In the last decade, there has been an increasing interest in using cell walls as feedstock for the production of second generation biofuels. This has resulted in an expansion in the number of cell wall studies and has highlighted the need for a better understanding of cell wall structure and function. Cell walls are composed of polymers with complex and dynamic structures that vary between cell types and developmental stages as well as between taxonomic groups of plants. To address the diversity of glycans that form the …


Zooplankton Abundance, Biomass, And Size Structure In The Coastal Waters Of The Northeastern Mediterranean Sea, Tuba Kurt, Sevi̇m Polat Jan 2015

Zooplankton Abundance, Biomass, And Size Structure In The Coastal Waters Of The Northeastern Mediterranean Sea, Tuba Kurt, Sevi̇m Polat

Turkish Journal of Zoology

Zooplankton was studied seasonally between 2009 and 2011 in İskenderun Bay in order to determine temporal variations in abundance, biomass, and size structure and their relationships with environmental factors. Zooplankton sampling was performed vertically using a WP-2 net (200-µm). A total of 30 zooplankton taxonomic groups were identified. Cladocera was the dominant group, and together with Copepoda and Appendicularia constituted approximately 90% of zooplankton. In respect to abundance and biomass values, 2 peaks were observed in 2009, the first in spring and the second in autumn. However, a second peak was observed in summer in both 2010 and 2011, due …


Effects Of Gradual Soil Drought Stress On The Growth, Biomass Partitioning, And Chlorophyll Fluorescence Of Prunus Mongolica Seedlings, Youyan Guo, Hongyuan Yu, Dongsheng Kong, Fang Yan, Donghua Liu, Yajuan Zhang Jan 2015

Effects Of Gradual Soil Drought Stress On The Growth, Biomass Partitioning, And Chlorophyll Fluorescence Of Prunus Mongolica Seedlings, Youyan Guo, Hongyuan Yu, Dongsheng Kong, Fang Yan, Donghua Liu, Yajuan Zhang

Turkish Journal of Biology

The present studyaimed to determine the effects of gradual drought stress on Prunus mongolica seedlings. The growth and chlorophyll fluorescence of the seedlings were investigated under drought and control conditions. The short-term (21 day) decline in soil water content from 30.46% to 15.55% did not significantly influence the growth of P. mongolica seedlings but increased the height, basal diameter, crown, leaf number, stem mass, leaf mass, and root mass of the seedlings. The growth of the drought group reached the maximum, but remained lower than that of the control group, within 21 days. Compared with the control group, the drought …


Influence Of Culture Media And Carbon Sources On Biomass Productivity And Oil Content Of The Algae Sirogonium Sticticum, Temnogyra Reflexa, Uronema Elongatum, And Chroococcus Turgidus, Aftab Alam, Saleem Ullah, Sahib Alam, Hamid Ullah Shah, Saadia Aftab, Muhammad Siddiq, Nazish Manzoor Jan 2015

Influence Of Culture Media And Carbon Sources On Biomass Productivity And Oil Content Of The Algae Sirogonium Sticticum, Temnogyra Reflexa, Uronema Elongatum, And Chroococcus Turgidus, Aftab Alam, Saleem Ullah, Sahib Alam, Hamid Ullah Shah, Saadia Aftab, Muhammad Siddiq, Nazish Manzoor

Turkish Journal of Botany

The aim of the present study was to investigate the effect of nutritional formulations, viz. Bristol's medium (BM), water extract of dairy waste (DW), commercial fertilizers mix (FM), and carbon sources such as NaHCO3, CaCO3, and wheat flour hydrolysate on the biomass productivity and oil content of the algal species Sirogonium sticticum, Temnogyra reflexa, Uronema elongatum, and Chroococcus turgidus. Among the nutritional formulations tested, BM showed the highest average effect, followed by DW, on the biomass and oil contents of the species. As for carbon sources, CaCO3 was more efficient in enhancing algal biomass, while NaHCO3 was proficient in increasing …


Association Of Digital Photo Parameters And Ndvi With Winter Wheat Grain Yield In Variable Environments, Alexey Morgounov, Nurberdi Gummadov, Savaş Belen, Yüksel Kaya, Mesut Keser, Jamala Mursalova Jan 2014

Association Of Digital Photo Parameters And Ndvi With Winter Wheat Grain Yield In Variable Environments, Alexey Morgounov, Nurberdi Gummadov, Savaş Belen, Yüksel Kaya, Mesut Keser, Jamala Mursalova

Turkish Journal of Agriculture and Forestry

The normalized difference vegetation index (NDVI) is gaining popularity as a complementary selection tool, even though it requires an instrument not readily available in the developing world. We evaluated several parameters (originating from the analysis of digital photos using BreedPix software) as potential selection criteria in 23 winter wheat yield trials grown over 4 years at 2 sites. NDVI and digital photos were taken at key development stages from stem elongation to maturity. The correlations between digital photo parameters a and u and grain yield, as well as correlations between NDVI and grain yield within individual trials, varied depending on …


Siberian Elm Responses To Different Culture Conditions Under Short Rotation Forestry In Mediterranean Areas, Ignacio Pérez, Javier Pérez, Juan Carrasco, Pilar Ciria Jan 2014

Siberian Elm Responses To Different Culture Conditions Under Short Rotation Forestry In Mediterranean Areas, Ignacio Pérez, Javier Pérez, Juan Carrasco, Pilar Ciria

Turkish Journal of Agriculture and Forestry

This work explores the possibilities of biomass production, for energy purposes, of Siberian elm in Mediterranean areas, including marginal lands with poor soil and low water availability. To achieve this, the influence of soil type, planting density, and water availability on biomass production were analyzed after the first 3 years of the growing cycle in 2 different locations. Moreover, a method to estimate biomass production as a function of some morphological parameters of the trees, as well as the use of leaf water potential as a good indicator of trees' water status, are discussed. The analysis of parameters having an …


Photosynthetic Gas Exchange, Chlorophyll Fluorescence, Antioxidant Enzymes, And Growth Responses Of Jatropha Curcas During Soil Flooding, Krishan Kumar Verma, Munna Singh, Ramwant Kumar Gupta, Chhedi Lal Verma Jan 2014

Photosynthetic Gas Exchange, Chlorophyll Fluorescence, Antioxidant Enzymes, And Growth Responses Of Jatropha Curcas During Soil Flooding, Krishan Kumar Verma, Munna Singh, Ramwant Kumar Gupta, Chhedi Lal Verma

Turkish Journal of Botany

The response of chlorophyll fluorescence, photosynthetic CO_2 assimilation (PN), stomatal conductance (gs), electrolyte leakage, and transpiration (E) was observed in Jatropha curcas seedlings subjected to soil flooding. A strong reduction in growth, leaf-area expansion (64%), and stomatal conductance (45%) impaired photosynthetic CO_2 assimilation (66%), which eventually reduced biomass yield. The ratio between variable-to-initial chlorophyll fluorescence (Fv/Fo) and the maximum quantum yield efficiency of the photosystem II (Fv/Fm) was used to explore damage associated with the functioning of the photosynthetic apparatus. A strong, non-linear correlation between physiological parameters and soil flooding duration was found. Our study primarily revealed consequences of epigenetics, …


Nutrient Uptake Of Peanut Genotypes With Different Levels Of Drought Tolerance Under Midseason Drought, Hoang Thai Dinh, Wanwipa Kaewpradit, Sanun Jogloy, Nimitr Vorasoot, Aran Patanothai Jan 2014

Nutrient Uptake Of Peanut Genotypes With Different Levels Of Drought Tolerance Under Midseason Drought, Hoang Thai Dinh, Wanwipa Kaewpradit, Sanun Jogloy, Nimitr Vorasoot, Aran Patanothai

Turkish Journal of Agriculture and Forestry

The objective of this study was to investigate the responses of peanut genotypes to midseason drought, regarding in particular nutrient uptakes and their correlations with biomass production and pod yield. The experiment was conducted during the dry seasons of 2011/12 and 2012/13. Five peanut genotypes with different levels of drought tolerance and 2 water regimes (well-watered and midseason drought) were laid out in a split-plot design with 4 replications. Midseason drought was imitated by stopping irrigation at 30 days after planting (DAP) and then rewatering at 60 DAP. The data were recorded for contents of N, P, K, Ca, and …


Growth, Biomass, Carbon Stocks, And Sequestration In An Age Series Of Populus Deltoides Plantations In Tarai Region Of Central Himalaya, Gurveen Arora, Sumit Chaturvedi, Rajesh Kaushal, Ajeet Nain, Salil Tewari, Nurnabi Meherul Alam, Om Prakash Chaturvedi Jan 2014

Growth, Biomass, Carbon Stocks, And Sequestration In An Age Series Of Populus Deltoides Plantations In Tarai Region Of Central Himalaya, Gurveen Arora, Sumit Chaturvedi, Rajesh Kaushal, Ajeet Nain, Salil Tewari, Nurnabi Meherul Alam, Om Prakash Chaturvedi

Turkish Journal of Agriculture and Forestry

Growth, biomass, carbon storage, and carbon sequestration potential along an age series in Populus deltoides plantations were assessed. The growth rate of diameter at breast height and height was higher in trees of 4 to 7 years and 2 to 5 years, respectively. The total aboveground biomass (AGB) increased with age and reached its maximum (180.2 Mg ha^{-1}) at 11 years of age. Mean carbon concentration in aboveground components varied from 39.7% to 51.7%. Allometric equations were developed to estimate biomass and biomass carbon in different tree components, which had adjusted R squares greater than 94%. Aboveground carbon stocks in …


Temporal Changes In Some Rajiformes Species Of Cartilaginous Fish (Chondrichthyes) From The West Coast Of İskenderun Bay (Northeastern Mediterranean), Hacer Yeldan, Dursun Avşar, Si̇nan Mavruk, Meltem Manaşirli Jan 2013

Temporal Changes In Some Rajiformes Species Of Cartilaginous Fish (Chondrichthyes) From The West Coast Of İskenderun Bay (Northeastern Mediterranean), Hacer Yeldan, Dursun Avşar, Si̇nan Mavruk, Meltem Manaşirli

Turkish Journal of Zoology

Some Rajiformes species among the cartilaginous fish (Chondrichthyes) that are distributed on the west coast of the Gulf of İskenderun were seasonally obtained by bottom trawling from 2 different depth layers between the years 2004 and 2011. The spatiotemporal changes in catch per unit effort (CPUE) values were investigated by considering 2 depth contours (10 and 20 m). Six species belonging to 6 different Rajiformes families were identified during the sampling period, including Dasyatis pastinaca (common stingray), Gymnura altavela (spiny butterfly ray), Rhinobatos rhinobatos (common guitarfish), Raja radula (rough ray), Myliobatis aquila (common eagle ray), and Torpedo marmorata (marbled electric …


Two-Stage Sampling To Estimate Individual Tree Biomass, Ramazan Özçeli̇k, Tuncay Eraslan Jan 2012

Two-Stage Sampling To Estimate Individual Tree Biomass, Ramazan Özçeli̇k, Tuncay Eraslan

Turkish Journal of Agriculture and Forestry

The accurate estimation of tree biomass is crucial for the efficient management of forest resources. In this study, we used a subsampling method for unbiased estimates of above-ground tree biomass. The method consists of 2 stages: the first stage consists of randomized branch sampling (RBS) and the second stage uses importance sampling (IS). RBS is used to select a path from the butt of an object branch to a terminal segment. IS is used for selecting a disk that produces unbiased estimates of the fresh biomass of tree. In this study, the subsampling method was tested on 14 black pine …


Effect Of Cell-Conditioned Media On Biomass Production Of Leishmania Parasites, Melahat Bagirova, Rabi̇a Çakir Koç, Adi̇l Allahverdi̇yev, Meli̇ke Ersöz Jan 2012

Effect Of Cell-Conditioned Media On Biomass Production Of Leishmania Parasites, Melahat Bagirova, Rabi̇a Çakir Koç, Adi̇l Allahverdi̇yev, Meli̇ke Ersöz

Turkish Journal of Biology

A large amount of parasite biomass production necessitates a higher volume of culture media, and this further increases the overall cost. For this reason, novel and alternative culture supplementary materials have been continuously investigated. The aim of this study was therefore to evaluate the effect of cell-conditioned media, collected as waste material during routine cell culture, on the growth and development of Leishmania parasites in vitro. In this study, for the first time, we show that cell-conditioned medium obtained from MCF-7 culture increased the growth of Leishmania parasites in vitro. These results show that the metabolites that are present in …


Season- And Locality-Related Changes In The Diet Of Asiatic Jackal (Canis Aureus) In Potohar, Pakistan, Muhammad Sajid Nadeem, Ruqqya Naz, Syed Israr Shah, Mirza Azhar Beg, Amjad Rashid Kayani, Muhammad Mushtaq, Tariq Mahmood Jan 2012

Season- And Locality-Related Changes In The Diet Of Asiatic Jackal (Canis Aureus) In Potohar, Pakistan, Muhammad Sajid Nadeem, Ruqqya Naz, Syed Israr Shah, Mirza Azhar Beg, Amjad Rashid Kayani, Muhammad Mushtaq, Tariq Mahmood

Turkish Journal of Zoology

Feeding habits of the Asiatic jackal were studied through 98 scats collected between January 2009 and March 2010 from different sites in Potohar, Pakistan. The overall frequency of occurrence of plant items was 54.0%; the animal prey item frequency was 46.2%. Among the plant foods, Ziziphus was eaten year round, whereas wild olive, grasses, and wheat grains were the chief components of the diet during all seasons except summer. Among the animal food items, livestock carcasses were consumed year round; the highest consumption was observed during the summer and autumn seasons and the lowest in winter. Small mammals, particularly rodents, …


Seasonal Variations In Phytoplankton Composition And Biomass In A Small Lowland River-Lake System (Melen River, Turkey), Tülay Baykal, İlkay Açikgöz, Abel U. Udoh, Kazim Yildiz Jan 2011

Seasonal Variations In Phytoplankton Composition And Biomass In A Small Lowland River-Lake System (Melen River, Turkey), Tülay Baykal, İlkay Açikgöz, Abel U. Udoh, Kazim Yildiz

Turkish Journal of Biology

A series of studies were carried out to determine the succession and phytoplankton community of the Melen River in the Western Black Sea region of Turkey. The study was conducted at 6 stations at monthly intervals between May 2003 and April 2004. It was observed that the abundance and biovolume of phytoplankton were low in winter, though higher values were recorded in late spring and summer. Among the values noted, the spring peak was 534.38 × 10^5 ind. L^{-1} and 7384.8 mm^3 L^{-1} belonging to Peridinium sp. The most common diatom, Cyclostephanos dubius, was favoured by low discharge at stations …


The Effects Of Biogas Slurry On The Production And Quality Of Maize Fodder, Md. Rafiqul Islam, Syed Mohammad Ehsanur Rahman, Md. Mukhlesur Rahman, Deog Hwan Oh, Chang Six Ra Jan 2010

The Effects Of Biogas Slurry On The Production And Quality Of Maize Fodder, Md. Rafiqul Islam, Syed Mohammad Ehsanur Rahman, Md. Mukhlesur Rahman, Deog Hwan Oh, Chang Six Ra

Turkish Journal of Agriculture and Forestry

The present study examined the effectiveness of biogas slurry (liquor from anaerobic digestion process) as a nitrogen source for the production of maize fodder (Zea mays). Maize fodder was cultivated as a control (T_0: 0 kg of slurry N ha^{-1}) and with 3 different levels of biogas slurry-T_1 (60 kg of slurry N ha^{-1}), T_2 (70 kg of slurry N ha^{-1}), and T_3 (82 kg of slurry N ha^{-1})-in a randomized block design. The parameters studied were plant height, stem circumference, number of leaves, leaf area, dry matter yield, and nutrient contents in maize fodder. Maize plant height and stem …


Relationships Between Remotely Sensed Data And Biomass Components In A Big Sagebrush (Artemisia Tridentata) Dominated Area In Yellowstone National Park, Mustafa Mi̇ri̇k, Jack E. Norland, Mario E. Biondini, Robert L. Crabtree, Gerald J. Michels Jan 2007

Relationships Between Remotely Sensed Data And Biomass Components In A Big Sagebrush (Artemisia Tridentata) Dominated Area In Yellowstone National Park, Mustafa Mi̇ri̇k, Jack E. Norland, Mario E. Biondini, Robert L. Crabtree, Gerald J. Michels

Turkish Journal of Agriculture and Forestry

The predictive power of a hyperspectral imagery for estimating woody and herbaceous biomass were examined for a big sagebrush (Artemisia tridentata) dominated area in Yellowstone National Park, Wyoming, United States of America. The normalized difference vegetation (NDV) and structure insensitive pigment (SIP) indices were used to investigate the relationships between biomass components and reflectance spectra. Ground data were collected in 13 sample plots 1 m^2 in size by clipping all herbaceous vegetation to ground level and stripping green leaves from big sagebrush plants. Strong relationships (R^2 from 0.83 to 0.96) were found between the hyperspectral data and biomass components. The …


Phytoplankton Biomass And Species Composition Of Lake Gölbaşı (Hatay-Turkey), Mehmet Naz, Mustafa Türkmen Jan 2005

Phytoplankton Biomass And Species Composition Of Lake Gölbaşı (Hatay-Turkey), Mehmet Naz, Mustafa Türkmen

Turkish Journal of Biology

Seasonal distributions of phytoplanktonic organisms in Lake Gölbaşı were investigated in samples collected from 2 stations between May, 2001, and April, 2002. At each station, monthly sampling was performed from the surface water. The flora consisted of 41 taxa belonging to Bacillariophyta (24), Chlorophyta (12), Pyrrophyta (2), Cyanophyta (2) and Chrysophyta (1). During the 1-year study period, the most dominant group was Chrysophyta followed by Bacillariophyta, Chlorophyta, Cyanophyta and Pyrrophyta. The highest numbers of Chrysophyta were observed in both stations in May, 2001, January, 2002 and April, 2002. Bacillariophyta had the highest biomass in both stations, followed by Chrysophyta, Pyrrophyta, …


Seasonal Changes In The Composition And Abundance Of Zooplankton In The Seas Of The Mediterranean Basin, A. V. Kovalev, M. G. Mazzocchi, Ahmet Erkan Kideyş, Beni̇n Toklu, V. A. Skryabin Jan 2003

Seasonal Changes In The Composition And Abundance Of Zooplankton In The Seas Of The Mediterranean Basin, A. V. Kovalev, M. G. Mazzocchi, Ahmet Erkan Kideyş, Beni̇n Toklu, V. A. Skryabin

Turkish Journal of Zoology

Seasonal changes in the composition, abundance and biomass of zooplankton in the seas of the Mediterranean basin (the Mediterranean, Black and Azov seas) have been reviewed using our own data and data from the literature. In the deep-water central regions of the seas, the seasonal cycle of zooplankton abundance is characterised by one maximum occurring in spring or summer. In the coastal regions, two to three peaks (spring, summer and autumn) exist for the zooplankton abundance. The amplitude of seasonal fluctuations in abundance for the coastal zone as a rule is much wider than for the deep-water regions. In both …


Germination, Growth And Biomass Accumulation As Influenced By Seed Size In Mesua Ferrea L., A. Arunachalam, M. L. Khan, N. D. Singh Jan 2003

Germination, Growth And Biomass Accumulation As Influenced By Seed Size In Mesua Ferrea L., A. Arunachalam, M. L. Khan, N. D. Singh

Turkish Journal of Botany

Mesua ferrea L. was evaluated for its germination, seedling growth and biomass across four seed size classes. The production of two- and three-seeded fruits was high. The viability of the seeds was 58-81%. Germination was positively correlated with seed weight. Heavier seeds showed early and rapid germination. The contribution of leaves to total biomass yield was 27-60 % in 1-month old seedlings. Carbon content was also related with plant length and weight in the seedlings. The study concludes that the variations in seed size have a substantial influence on growth and biomass accumulation in Mesua ferrea. Such variation also helps …