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Articles 2071 - 2100 of 2109
Full-Text Articles in Life Sciences
A Study On The Long-Eared Hedgehog, Hemiechinus Auritus(Gmelin, 1770)(Mammalia: Insectivora) In Turkey, Ercüment Çolak, Nuri Yi̇ği̇t, Mustafa Sözen, Şakir Özkurt
A Study On The Long-Eared Hedgehog, Hemiechinus Auritus(Gmelin, 1770)(Mammalia: Insectivora) In Turkey, Ercüment Çolak, Nuri Yi̇ği̇t, Mustafa Sözen, Şakir Özkurt
Turkish Journal of Zoology
Thirteen specimens of Hemiechinus auritus collected in Turkey were examined for external, cranial, karyological and phallic characteristics along with postnatal development. The karyotype of H. auritus has 2n = 48 chromosomes, NFa = 92 and NF = 96. The X chromosome is a large metacentric and the Y chromosome is the smallest metacentric. There are two rows of spines on the dorsal of the glans penis. The pups were born with an average weight of 6.74 g, and they opened their eyes and ears 20 days after birth. Weaning took place on day 31.
Comparative Efficacy Of Bromadiolone, Cholecalciferol And Zinc Phosphideagainst Short -Tailed Mole Rat Nesokia Indica In Captivity, Amjad Pervez, Syed M. Ahmad, S. Waqar, A. Rizvi
Comparative Efficacy Of Bromadiolone, Cholecalciferol And Zinc Phosphideagainst Short -Tailed Mole Rat Nesokia Indica In Captivity, Amjad Pervez, Syed M. Ahmad, S. Waqar, A. Rizvi
Turkish Journal of Zoology
We conducted no-choice and paired choice feeding trials with individually caged Nesokia indica to evaluate the efficacy of Bromadiolone, Cholecalciferol and Zinc phosphide baits. Under no-choice test (1 day and 3 day) male rats consumed less bromadiolone bait. However, sex-wise difference was observed non-significant. Under choice feeding test, difference between bromadiolone bait intake and sex was observed non-significant. Under cholecalciferol bait, treated bait was consumed more than plain bait. Among the baits tested, cholecalciferol appeared promising for controlling short-tailed mole rat, Nesokia indica.
An Investigation On The Reproduction Properties Of Chub ( Leuciscus Cephalusl., 1758) In Lake Tödürge (Zara/Sivas)*, Bülent Ünver
An Investigation On The Reproduction Properties Of Chub ( Leuciscus Cephalusl., 1758) In Lake Tödürge (Zara/Sivas)*, Bülent Ünver
Turkish Journal of Zoology
In this study, the reproductive properties of the chub population ( Leuciscus cephalusL., 1758) in lake Tödürge, Zara/Sivas, were investigated. A total of 674 specimens were caught between April and November 1994. The age and sex distributions and the age of sexual maturity were determined. The reproduction period of the population was determined. Fecundity was determined and the relationships between the fecundity and body weight, length and age were investigated. The age composition of specimens of the population consisting of 68.25% female and 31.75% male, was found to be between I and VII. Males reached maturity in their second or …
Incidence Of Mealy Bug Dismycoccus Brevipes (Cockrell) On Pineapple, Akhlaq Ahmed Khan, Ghulam Mustafa Avesi, Syed Zafar Masud, Syed Waqar Ali Rizvi
Incidence Of Mealy Bug Dismycoccus Brevipes (Cockrell) On Pineapple, Akhlaq Ahmed Khan, Ghulam Mustafa Avesi, Syed Zafar Masud, Syed Waqar Ali Rizvi
Turkish Journal of Zoology
The pineapple mealy bug ( Dismycoccus brevipes) infestation is reported for the first time from Pakistan, Ratoon, crownlet, slip and sucker plants were found infested by this bug. A total of 3464 bugs were collected from these plants with a mean value of 43.3 bugs/plant. Two-third (2291) of the bug population was found on the roots while one-third (1173) were recovered from the leaf base of the pineapple.
The Effect Of Salinity On Larval Growth And Survival Of Penaeus Indicus (Decapoda: Penaeidae), Metin Kumlu
The Effect Of Salinity On Larval Growth And Survival Of Penaeus Indicus (Decapoda: Penaeidae), Metin Kumlu
Turkish Journal of Zoology
This study was conducted to determine optimum salinity for the larval growth, survival and development of Penaeus indicus. For this, PZI (protozoea 1) larvae were stocked in 2-L round bottom glass flasks in two replicates at 20, 25, 30 and 35 ppt salinities and were reared on live diets until PL (postlarvae) stages. Highest survival (91%) and greatest growth (6.48 mm) at postlarval stages (PLI/2) were obtained with the larvae cultured at 25 ppt (P
An Investigation On The Blood-Serum Proteins Of Chalcides Ocellatus(Sauria: Scincidae) Populations From Southern Anatolia, Hüseyin Arikan, Mehmet K. Atatür, Ahmet Mermer
An Investigation On The Blood-Serum Proteins Of Chalcides Ocellatus(Sauria: Scincidae) Populations From Southern Anatolia, Hüseyin Arikan, Mehmet K. Atatür, Ahmet Mermer
Turkish Journal of Zoology
In this study, blood-serum proteins of 22 adult (11 MM , 11 VV ) Chalcides ocellatus (ocelated skink) specimens collected from various localities in Southern Anatolia are investigated qualitatively and quantitatively by means of polyacrylamide disc electrophoresis and densitometry. The species' serum protein electropherograms and protein distribution patterns are established for the first time.
A New Species Of The Genus Orculella From East Anatolia (Mollusca: Pulmonata: Pupilloidea), Hartwig Schütt, Rıdvan Sesen
A New Species Of The Genus Orculella From East Anatolia (Mollusca: Pulmonata: Pupilloidea), Hartwig Schütt, Rıdvan Sesen
Turkish Journal of Zoology
A new land snail Orculella garzanensis which is evidently the largest species of this genus was described from East Anatolia Siirt Province.
A Taxonomical Study On The Rana Ridibunda Pallas, 1771 (Anura: Ranidae)Population From İvriz-Ereğli (Konya), Hüseyin Arikan, Kurtuluş Olgun, İ. Ethem Çevi̇k, C. Varol Tok
A Taxonomical Study On The Rana Ridibunda Pallas, 1771 (Anura: Ranidae)Population From İvriz-Ereğli (Konya), Hüseyin Arikan, Kurtuluş Olgun, İ. Ethem Çevi̇k, C. Varol Tok
Turkish Journal of Zoology
In this study, 15 adult (5 MM , 10 V V ) Rana ridibunda specimens were studied. According to the results of the mor-phological analysis, the Ivriz population was included in R. r. caralitana. Furthermore, the distribution area of R. r. caralitana was extended.
A Report On Reptiles Collected From Kumluca-Kalkan (Antalya), Turkey, Abidin Budak, Cemal Varol Tok, Ahmet Mermer
A Report On Reptiles Collected From Kumluca-Kalkan (Antalya), Turkey, Abidin Budak, Cemal Varol Tok, Ahmet Mermer
Turkish Journal of Zoology
9 species of lizards and 2 species of snakes, belonging to a total of seven families were collected from Kumluca-Kalkan between 8 and 10 April 1997.
A New Record Of Acaropsella Volgini(Acari: Prostigmata, Cheyletidae)For The Fauna Of Turkey, Kamil Koç
A New Record Of Acaropsella Volgini(Acari: Prostigmata, Cheyletidae)For The Fauna Of Turkey, Kamil Koç
Turkish Journal of Zoology
In this study, the characteristic features of Acaropsella volgini (Gerson, 1967), a new record for the Turkish fauna, are given for the first time based on the drawings made from our specimens. In addition, their distribution is presented.
A New Species Of Exeurytoma Burks, 1971 From Turkey(Hymenoptera, Chalcidoidea, Eurytomidae), Halit Çam
A New Species Of Exeurytoma Burks, 1971 From Turkey(Hymenoptera, Chalcidoidea, Eurytomidae), Halit Çam
Turkish Journal of Zoology
Exeurytoma anatolica sp. n. is described from Tokat, Turkey, and its diagnostic characters are illustrated.
The Herpetofauna Of The Ordu-Giresun Region, Yusuf Kumlutaş, Varol Tok, Oğuz Türkozan
The Herpetofauna Of The Ordu-Giresun Region, Yusuf Kumlutaş, Varol Tok, Oğuz Türkozan
Turkish Journal of Zoology
In this study, 17 reptile and amphibian species were recorded from 19 different localities in the Ordu-Giresun region. Of these, 3 belong to the urodelans species group, 6 belong to anurans, 4 belong to lizards and 4 belong to snakes.
The Taxonomy And Karyology Of Rattus Norvegicus (Berkenhout, 1769) Andrattus Rattus (Linnaeus, 1758) (Rodentia: Muridae) In Turkey, Nuri Yi̇ği̇t, Ercüment Çolak, Mustafa Sözen, Şakir Özkurt
The Taxonomy And Karyology Of Rattus Norvegicus (Berkenhout, 1769) Andrattus Rattus (Linnaeus, 1758) (Rodentia: Muridae) In Turkey, Nuri Yi̇ği̇t, Ercüment Çolak, Mustafa Sözen, Şakir Özkurt
Turkish Journal of Zoology
In this study, the Turkish population of Rattus norvegicus and Rattus rattus were studied with regard to external, cranial, phalli, bacula and tooth crown morphology and karyotype. External, internal and karyologic characteristics of R. norvegicus were found to be consistent with previously published results. Additionally, it was determined that there are striking color variations in the dorsal and ventral fur of R. rattus and that crown morphology is not a definitive characteristic distinguishing these species because of connected lobes in old specimens. According to the karyological studies, the diploid chromosome numbers and fundamental numbers of R. norvegicus and R. rattus …
Survival And Growth Of Corophium Volutator In Organically Enrichedsediment: A Comparison Of Laboratory And Field Experiments, Levent Bat, Dave Raffaelli
Survival And Growth Of Corophium Volutator In Organically Enrichedsediment: A Comparison Of Laboratory And Field Experiments, Levent Bat, Dave Raffaelli
Turkish Journal of Zoology
In this study, the amphipod Corophium volutator (Pallas) was evaluated as test organisms for use in sediment toxicity tests by adapting standard protocols for conducting 10-day and 28-day sediment toxicity tests. Combine laboratory and field bioas-says showed that Corophium can survive in organically enriched sediment if they have no alternative, suggesting that Corophium is relatively tolerant of organically enriched sediment. Neither were there effects on emergence or reburying behaviour. Therefore this bioassay is considered inappropriate for estimating the quality of organically enricment sediment.
The Behavioural Abilities Of Meteorus Versicolor Wesm. And Rogas Rossicuskok. (Hymenoptera, Branconidae) Parasitoids Of Tephrina Arenacearia Den.Et Schiff. (Lepidoptera, Geometridae), Ilhama Gudrat Gizi Kerimova
The Behavioural Abilities Of Meteorus Versicolor Wesm. And Rogas Rossicuskok. (Hymenoptera, Branconidae) Parasitoids Of Tephrina Arenacearia Den.Et Schiff. (Lepidoptera, Geometridae), Ilhama Gudrat Gizi Kerimova
Turkish Journal of Zoology
This paper concerns with the behavioural abilities of Meteorus versicolor Wesm. and Rogas rossicus Kok. (Hymenoptera, Braconidae)-internal parasitoids of Thephrina arenacearia Den. et Schiff. (Lepidoptera, Geometridae) as well. Periods of development phases and searching, ovipositional and mating behaviour of both parasitoids have been investigated.
Ornithological Observations On Karadag, Konya Province, Turkey, Guy M. Kirwan
Ornithological Observations On Karadag, Konya Province, Turkey, Guy M. Kirwan
Turkish Journal of Zoology
Few ornithological observations are available from the isolated massifs of the Central Plateau; and for Karadag, Konya province there exists only the records of Ramsay (1914) in the summer of 1907. Observations from a visit in June 1996 are pre-sented and compared with those of Ramsay and data from other sources, principally Roselaar (1995). The total number of bird species recorded on the mountain is 53, of which 18 have been proven to breed; it seems probable that the globally threatened White-tailed Eagle formerly bred in the study area.
Some Aspects Of Reproductive Biology Of Euryglossa Orientalis(Bl. & Schn.)In North Arabian Sea Along The Coast Of Karachi, Pakistan, Mohammed Atiqullah Khan
Some Aspects Of Reproductive Biology Of Euryglossa Orientalis(Bl. & Schn.)In North Arabian Sea Along The Coast Of Karachi, Pakistan, Mohammed Atiqullah Khan
Turkish Journal of Zoology
In Euryglossa orientalis,sexual maturity was separated into seven stages. Size at sexual maturity was observed at 182 mm TL in males and 178 mm TL in females. A male-female ratio of 1.00:1.60 was determined (0.385:0.615). This species has two spawning seasons in Pakistani waters. The ist spawning season starts in September and the second in February. Fecundity ranged from 9922 to 83891 with a mean value of 36361.
Some Observations On Gastric Emptying In The Black Sea Whiting,Merlangius Merlangus Euxinus, (N. 1840) Fed On Natural Prey, Kadir Seyhan, N. Selda Başçinar, Ertug Düzgüneş
Some Observations On Gastric Emptying In The Black Sea Whiting,Merlangius Merlangus Euxinus, (N. 1840) Fed On Natural Prey, Kadir Seyhan, N. Selda Başçinar, Ertug Düzgüneş
Turkish Journal of Zoology
In this study a new perspective on the feeding physiology of whiting, Merlangius merlangus euxinus, N. 1840 was investigated. The effects of the skin of the prey, double feeding and prey type on the gastric emptying rate (GER) of whiting fed on natural prey, namely anchovy ( Engraulis encrasicholus) and mussels ( Mytilus galloprovincialis), were investigated. Return of appetite was also studied. It was found that in laboratory conditions, whiting (48.0±8.30 g, n=12) had consumed about 10.2% of its body weight in mussels and return of appetite was found to be approximately 30 h. The effect of the skin of …
The Short-Term Toxicity Of Two Toxicants To Artemia Nauplii, Melahat Toğulga
The Short-Term Toxicity Of Two Toxicants To Artemia Nauplii, Melahat Toğulga
Turkish Journal of Zoology
In this study, the short-term toxicities of sodium lauryl sulphate (an anionic detergent) and potassium dichromate on instar I and mixed instar II-III nauplii populations of Artemia were investigated. The comparisons between our results and the ARC-test (Artemia Reference Center) protocol show our experiments to be acceptable for acute toxicity standardization.
A New Subspecies Of Meriones Tristrami Thomas, 1892 (Rodentia:Gerbillinae) From Kilis (Southeastern Turkey):Meriones Tristrami Kilisensis Subsp. N., Nuri Yi̇ği̇t, Ercüment Çolak
A New Subspecies Of Meriones Tristrami Thomas, 1892 (Rodentia:Gerbillinae) From Kilis (Southeastern Turkey):Meriones Tristrami Kilisensis Subsp. N., Nuri Yi̇ği̇t, Ercüment Çolak
Turkish Journal of Zoology
In this study, seventeen specimens of Meriones tristrami from Kilis were compared with the specimens of Meriones tristrami bodenheimeri along with topotypes of Meriones tristrami lycaon close to those from Kilis. It was determined that the specimens from Kilis were distinguishable from M.t. lycaon by characters such as dorsal coloration, Tx100 / HB (ratio of tail length to head and body), zygomatic breadth, occipitonasal length, basal length, diastema length, occipital width, weight, baculum shape and fundamental number of chromosomes. Thus, the specimens of M. tristrami from Kilis were determined to be a new subspecies, Meriones tristrami kilisensis subps. n.
Further Records Of Bats From Jordan And A Synopsis, Mazin Botros Qumsiyeh, Zuhair Sami Amr, Ratib Musa Al-Oran
Further Records Of Bats From Jordan And A Synopsis, Mazin Botros Qumsiyeh, Zuhair Sami Amr, Ratib Musa Al-Oran
Turkish Journal of Zoology
Recent records along with a synopsis of the known bats of Jordan are given. Twenty-four species of bats are reported from Jordan, including two additional records, Rhinolophus mehelyi and Asellia tridens. Five other bat species are suspected to occur.
Contribution To The Taxonomy, Distribution And Karyology Of Martes Foina(Erxleben, 1777) (Mammalia: Carnivora) In Turkey, Nuri Yi̇ği̇t, Ercüment Çolak, Mustafa Sözen, Şakir Özkurt
Contribution To The Taxonomy, Distribution And Karyology Of Martes Foina(Erxleben, 1777) (Mammalia: Carnivora) In Turkey, Nuri Yi̇ği̇t, Ercüment Çolak, Mustafa Sözen, Şakir Özkurt
Turkish Journal of Zoology
In this preliminary study, nine Stone Martens were recorded from different localities in Turkey. Their morphological characteristics were found to be consistent with previously published papers. However, the throat patches of Turkish Stone Martens show variations with respect to shape. In addition, it was determined that the morphologic and biometric characteristics of Turkish samples were consistent with those of M. f. syriaca. According to the karyological findings, the diploid number of chromosomes and the fundamental number were 38 and 76, respectively.
A New Grey Mullet Species " Mugil So-Iuy Basilewsky" (Teleostei: Mugilidae)From The Aegean Coast Of Turkey, Murat Kaya, Savaş Mater, Ali Yıldırım Korkut
A New Grey Mullet Species " Mugil So-Iuy Basilewsky" (Teleostei: Mugilidae)From The Aegean Coast Of Turkey, Murat Kaya, Savaş Mater, Ali Yıldırım Korkut
Turkish Journal of Zoology
Mugil so-iuyis a freshwater fish living in Amu Darya River Basin, Far East Asia. It was first introduced to the area around the Sea of Azov for fish farming but, then migrated to the Black Sea, and from there to the Sea of Marmara. The present study is the first report from the Aegean Sea. Morphometrical and meristic characteristics of the two specimens caught are described.
Notes On Distributional Records And Some Characteristics Of Five Carnivorespecies (Mammalia: Carnivora) In Turkey, Şakir Özkurt, Mustafa Sözen, Nuri Yi̇ği̇t, Ercüment Çolak
Notes On Distributional Records And Some Characteristics Of Five Carnivorespecies (Mammalia: Carnivora) In Turkey, Şakir Özkurt, Mustafa Sözen, Nuri Yi̇ği̇t, Ercüment Çolak
Turkish Journal of Zoology
In this study, carnivore specimens such as Herpestes ichneumon, Hyaena hyaena, Meles meles, Vulpes vulpes, Lutra lutra from various localities were evaluated based on external and cranial morphology, and then were compared with the published papers. Thus, the present status in Turkey of these species along with distribution records were evaluated.
Comparative Toxicological Studies Of Rb-A (Neem Extract) And Coopex(Permethrin+Bioallethrin) Against Sitophilus Oryzae With Reference Totheir Effects On Oxygen Consumption And Got, Gpt Activity, Mohammad Arshad Azmi, Syed Naimul Hasan Naqvi, Muhammed Farhanullah Khan, Kahkashan Akhtar, Farah Younus Khan
Comparative Toxicological Studies Of Rb-A (Neem Extract) And Coopex(Permethrin+Bioallethrin) Against Sitophilus Oryzae With Reference Totheir Effects On Oxygen Consumption And Got, Gpt Activity, Mohammad Arshad Azmi, Syed Naimul Hasan Naqvi, Muhammed Farhanullah Khan, Kahkashan Akhtar, Farah Younus Khan
Turkish Journal of Zoology
The toxicity of a neem extract RB-a in comparison with a pyrethroid, Coopex, was studied along with their effects on GPT and GOT activities and oxygen consumption in S. oryzae. The LD 50 value of Coopex was found to be 6.128 \mug/cm 2 whereas RB-a was found not to be an acute contact poison. Even at a dose of 1257 \mug/cm 2 it could cause 34% mortality of S. oryzae. The oxygen consumption under the effects of Coopex was found to decline less i.e. at 6.12 \mug/cm 2 from 0.0005191 to 0.0006589, as compared to RB-a where the rate of …
Determination Of The Toxicities Of Fenpropathrin (Pyrethroid) And Neemformulation (Rb-A+Pbo+Tx-100) Against Alphitobius Diaperinus Adults Andtheir Effects On Transaminases, Rahila Tabassum, Syed Naimul Hasan Naqvi, Musarrat Jahan, Syed Mohammad Nurulain, Mohammad Farhanullah Khan, Mohammad Arshad Azmi
Determination Of The Toxicities Of Fenpropathrin (Pyrethroid) And Neemformulation (Rb-A+Pbo+Tx-100) Against Alphitobius Diaperinus Adults Andtheir Effects On Transaminases, Rahila Tabassum, Syed Naimul Hasan Naqvi, Musarrat Jahan, Syed Mohammad Nurulain, Mohammad Farhanullah Khan, Mohammad Arshad Azmi
Turkish Journal of Zoology
This report describes the determination of the toxicity of two pesticides, neem formulation (RB-a+PBO+Tx-100) and fenpropathrin, on Alphitobius diaperinus adults. The mortalities caused by the two compounds were found to be 70% for a 117.8\mug/cm 2 dose of neem formulation, and 88% for a 1.96 \mug/cm 2 dose of synthetic pyrethroid, fenpropathrin (Danitol). The LD 50 value of Danitol was found to be 0.2749 \mug/cm 2 , and that of neem formulation was found to be 58.92 \mug/cm 2 . Danitol-treated Alphitobius diaperinus adults showed inhibitions of 44.66% and 45.91% in GPT and GOT activity, respectively, Whereas insects treated with …
Biomass Analysis Of Dominant Zooplanktonic Organisms Living In Lakemogan (Turkey), Nuray Emir Akbulut
Biomass Analysis Of Dominant Zooplanktonic Organisms Living In Lakemogan (Turkey), Nuray Emir Akbulut
Turkish Journal of Zoology
In this study carbon-length regression was established for Arctodiaptomus bacilliferand length-weight relationships were established for Diaphanosoma lacustris, Keratella quadrata and Filinia longiseta, which are abundant in Lake Mogan. Great individual variation was determined in the carbon and nitrogen contents of Arctodiaptomus bacillifer, Furthermore, the length-weight regressions varied greatly for the, other zooplanktonic organisms according to sampling dates and, for some, to sampling points.
Ultrastructural Study On The Ovarian Wall And The Oviduct Of The Asellus Aquaticus (Crustacea: Isopoda), B. Melike Erkan
Ultrastructural Study On The Ovarian Wall And The Oviduct Of The Asellus Aquaticus (Crustacea: Isopoda), B. Melike Erkan
Turkish Journal of Zoology
In this study the ovarium, ovarian wall and oviduct of Asellus aquaticus ( A. aquaticus) (Crustacea: Isopoda) were investigated by stereomicroscopy, phase contrast microscopy and light microscopy. Long, tube-shaped, separate ovaries of A. aquaticus are located dorsolateral to the gut. The germinal zone is confined to the ventral region of the ovary as a thin band. The ovarian wall is composed of a few fibrous layers. The oviduct is located in the anterior one-third of the ovary, not in the central part. The sheath of the oviduct was found to possess some muscle cells, a feature first noted in this …
Hibernation And Body Weight In Dormice, Glis Glis Orientalis(Nehring, 1903) (Rodentia: Gliridae), Maintained Underuncontrolled Conditions, Ercüment Çolak, Nuri Yi̇ği̇t, Mustafa Sözen, Şakir Özkurt
Hibernation And Body Weight In Dormice, Glis Glis Orientalis(Nehring, 1903) (Rodentia: Gliridae), Maintained Underuncontrolled Conditions, Ercüment Çolak, Nuri Yi̇ği̇t, Mustafa Sözen, Şakir Özkurt
Turkish Journal of Zoology
Hibernation pattern and changes in the body weight of juvenile and adult dormice, Glis glis orientalis, kept in uncontrolled conditions were investigated. It was determined that G.g.orientalis entered hibernation on October 28 when its body weight was 180 g and the ambient temperature was below 18 ºC, which seems to be the critical temperature for entering hibernation. Although body weight has an important role in entering hibernation at the beginning of the hibernation season, dormice hibernated as the hibernation season progressed regardless of their body weight. Adult dormice arose from hibernation during the period of May 13 to June 6. …
Early Development Of Barbel ( Barbus Barbus L.) Larvae, Metin Çalta
Early Development Of Barbel ( Barbus Barbus L.) Larvae, Metin Çalta
Turkish Journal of Zoology
In this study, the early development of barbel ( Barbus barbus L.) larvae has been determined by measuring their wet weight, dry weight, whole body mineral content (Ca, Mg, Na and K), skeletal development and gill development. It has been observed that wet weight, whole body mineral contents, the number of lamellae per filament of gill and the number of calcified vertebrae of larvae during early development stage increased by age, whereas dry weight decreased. The increase of whole body magnesium content has been very low compared with that of other minerals. In addition, a possitive relationship between whole body …