... and hatchery fish must be considered in order to protect native stocks Also, if stocked fish are very abundant in comparison to wild fish, the fishing effort used to harvest stocked fish may deplete ... potential to produce both a lake and tributary-based fishery, diversifying the type and timing of fishing opportunities Lake whitefish: Lake whitefish supported a commercial fishery in Lake Champlain ... S waters of Lake Champlain consists only of the sale of fish caught by angling, or licensed sale of bait fish While a number of fish species were stocked in the lake historically, stocking is...
Ngày tải lên: 22/02/2014, 21:24
... male and female fish develop black stripes from chin to pectoral fin, chin to pelvic fin and chin to abdomen, then fishers consider the fish to be P labeaminor 25 Mekong giant fish species – on ... press) According to local fishermen, a few giant catfish are caught each year In 1999, 2000 and 2001 four fish, eleven fish and seven fish respectively, were caught, including two fish in 2001 that ... help to identify the factors that need to be managed in order to secure the future of these species Management aimed at preserving self-sustaining natural populations of the giant Mekong fish species...
Ngày tải lên: 14/03/2014, 08:47
FEMALE REPRODUCTIVE STRATEGIES OF MARINE FISH SPECIES OF THE NORTH ATLANTIC pot
... hypothetical example species are known also as total spawners and includes species such as monkfishes, redfishes, salmonids, elasmobranchs and eels In contrast, in "asynchronous ovulators", eggs are ... Procedures to estimate fecundity of marine fish species in relation to their reproductive strategy J Northw Atl Fish Sci., 33: 3353 MYERS, R.A., and N J BARROWMAN 1996 Is fish recruitment related to ... regard to the strategy by which oocytes are recruited to the advanced stock of yolked oocytes to be shed (Hunter et al., 1992): Determinate Fecundity In fishes with determinate fecundity, total...
Ngày tải lên: 22/03/2014, 12:20
WHAT IS BETA GLUCAN? A Concise Guide to the Benefits and Uses of the Most Powerful Natural Im- mune Enhancer Known to Science ppt
... collated and put together into this easy to read, plain English short book Why not, say, a 200-page book? Because that was unnecessary, and most people just aren’t going to take the time to read a long ... such as beta glucan together with a mixed meal is known to decrease postprandial glucose and insulin concentrations They have also been observed to improve glucose metabolism and to decrease HbA1c ... contents, the major reason to take beta glucan is to enhance your immune system If you have benign or malignant tumors it is a powerful adjuvant (which means to aid or help) to whatever else you are...
Ngày tải lên: 31/03/2014, 22:20
Distribution and Ecology of Some Important Riverine Fish Species of the Mekong River Basin pdf
... necessary in the future to prevent many more species being added to this list, and to prevent the extinction of some species 21 Distribution and Ecology of Some Important Riverine Fish Species of the ... for fish to migrate between widely separated habitats are clear from the species reviews presented here To date, there has unfortunately been little effective dialogue between the fisheries sector ... listed species which we discuss were formerly important in the fishery but have declined greatly in abundance, as a result of overfishing and/or changes to habitat, hydrology and fish passage If fishing...
Ngày tải lên: 06/07/2014, 22:20
Báo cáo khoa học: " Photosynthesis and shoot water status of seedlings from different oak species submitted to waterlogging" pdf
... and Q robur are known to be fairly tolerant, and Q rubra very intolerant (Lévy et al, 1986) physiological basis The of these differences has yet to be elucidated The ability to form adventitious ... seedlings to root hypoxia; 2), to test the possible correlations between root adaptations appearing during long term flooding, and shoot photosynthesis, leaf conductance to CO and water status; 3), to ... same stomatal reactions Only a few reports of lack of stomatal closure with flooding are available (Alnus rubra and Populus trichocarpa; Harrington, 1987) Was the limitation of A due to stomatal...
Ngày tải lên: 08/08/2014, 23:21
Báo cáo y học: " Genotyping of TRIM5 locus in northern pig-tailed macaques (Macaca leonina), a primate species susceptible to Human Immunodeficiency Virus type 1 infection" pps
... PBMCs to HIV-1 infection To determine the susceptibility of M leonina to infection by HIV-1, the PBMCs were isolated from EDTA K2-treated whole blood The PBMCs from M mulatta, which are known to ... (NHP) Studies using Vesicular Stomatitis virus G-glycoprotein (VSV-G) pseudotyped viruses, which bypass the receptor restriction, revealed that species- specific host factors restrict HIV-1 infection ... mulatta, which are known to be resistant to HIV-1 infection, were used as a negative control, and the PBMCs from human, which are known to be susceptible to HIV-1 infection, were used as a positive...
Ngày tải lên: 12/08/2014, 23:21
Báo cáo y học: "Two distinct variants of simian foamy virus in naturally infected mandrills (Mandrillus sphinx) and cross-species transmission to human" pptx
... cross -species transmission to humans Augustin Mouinga-Ondémé1, Edouard Betsem2, Mélanie Caron1, Maria Makuwa1, Bettina Sallé3, Noemie Renault4, Ali Saib4, Paul Telfer5, Preston Marx5, Antoine ... recent studies showed that interspecies transmission of SFV from mandrills to humans is possible [15,16,34] The aim of our study was to evaluate the natural history of mandrill SFV in this free-ranging ... allows attribution to a particular monkey or ape subspecies through analysis of the appropriate foamy virus sequence [27,32,33] Furthermore, in cross -species transmission to humans or apes, the...
Ngày tải lên: 13/08/2014, 01:20
Fish species distribution in seagrass habitats of chesapeake bay are structured by abiotic and biotic factors
... recalculated species abundance after excluding these species for historical comparisons Statistical analyses.—Redundancy analysis (RDA) was applied to species and environmental data matrices to reveal ... tide to minimize tidal-related impacts to fish community structure Fishes were processed onboard immediately after collection, counted as numbers per individual species and returned to the water to ... lead to variable responses from the juvenile fish community The approach we took to use GAM sets up a framework that enabled us to make inferences about how this fish community would respond to potential...
Ngày tải lên: 04/09/2015, 12:54
Blackwell Publishing Ltd Reproductive and physiological responses to simulated climate warming for four subalpine species pot
... assimilation Photosynthetically active radiation temperature Leaf -to- air vapor pressure deficit © The Authors (2006) Journal compilation © New Phytologist (2006) www.newphytologist.org New Phytologist ... Journal compilation © New Phytologist (2006) www.newphytologist.org New Phytologist (2007) 173: 121–134 127 128 Research Fig The average diurnal course of photosynthesis (A), stomatal conductance (gs), ... affects respiratory and photosynthetic inputs into reproductive effort for two of the four species in this study The C costs of reproduction were increased by warming for one species for which...
Ngày tải lên: 05/03/2014, 17:20
TOXICITY OF ORGANIC CHEMICALS TO EMBRYO-LARVAL STAGES OF FISH potx
... of aniline to embryo-larval stages of fish Toxicity of atrazine to embryo-larval stages of fish Toxicity of Capacitor 21 to embryo-larval stages of fish •••• Toxicity of chlorobenzene to embryo-larval ... 2,4-dichlorophenoxyacetic acid (2,4-0) to embryo-larval stages of fish Toxicity of dioctyl phthalate (DOP) to embryo-larval stages of fish Toxicity of malathion to embryo-larval stages of goldfish •• Toxicity of trisodium ... embryo-larval stages of fish • • • Toxicity of chloroform to embryo-larval stages of rainbow trout Toxicity of 2,4-dichlorophenol (DCP) to embryo-larval stages of fish • • • • • • • • Toxicity of 2,4-dichlorophenoxyacetic...
Ngày tải lên: 05/03/2014, 20:20
A Guide to the Analysis of Fish Marketing Systems Using a Combination of Sub-sector Analysis and the Sustainable Livelihoods Approach potx
... processing of fish need to have profound knowledge on how to dry/smoke or salt fish to ensure good quality products to attract customers People coming from a fishing background (e.g fishing has ... marketing chain need to know how to assess the quality of fish, how and where to market the fish, how to negotiate good prices and what types of fish are in demand with which type of customers Again, ... SLA to sub-sector analysis is that it looks beyond the fishery sector itself, recognizing that stakeholders may have other activities and priorities outside the fishery sector Also, cross-sector...
Ngày tải lên: 07/03/2014, 00:20
A guide to larvae and juveniles of some common fsh species from the Mekong River Basin
... produced to enhance the quality of research on Mekong fisheries Kent G Hortle KEY WORDS: Mekong River Basin; fish larvae; fisheries Figure viii A typical tray of fish larvae prior to sorting ... tend to become wedged into place However, fine sediment may adhere to eggs to produce aggregates, which are more likely to be become suspended and drift with the current Benthic eggs tend to be ... body, to release the larva Page A guide to larvae juveniles of some common fish species from the Mekong River Basin The larval phase This phase covers the period from hatching up to the time the fish...
Ngày tải lên: 14/03/2014, 08:46
Báo cáo khoa học: Mercury(II) binding to metallothioneins Variables governing the formation and structural features of the mammalian Hg-MT species pptx
... of Hg(II) to apo-MT gives rise to Hg-MT species of comparable stoichiometry and structure, i.e Hg4-MT and Hg5)6-MT, and also the presence of an excess of Hg(II) cation leads invariably to Hg18-MT ... the chirality of the species This effect is remarkable for those species with a Hg(II) stoichiometry equal to or higher than 6, X ¼ Cl– and t ¼ 24 h In contrast, the Hg-aMT species formed in the ... Zn,Hg2-MT, observed as an intermediate species only at t ¼ 24 h; (b) the stoichiometries of the fully loaded species, Hg15-MT and Hg16-MT Conversely, the chirality of the species is highly dependent on...
Ngày tải lên: 16/03/2014, 18:20
What is known about the effectiveness of economic instruments to reduce consumption of foods high in saturated fats and other energy-dense foods for preventing and treating obesity? docx
... contributed to tobacco prevention and control, pricing policies for food may be more complex to implement a Compared to tobacco and alcohol, it is more difficult to identify specific foods on which to ... policies to nutrients than to particular types of foods; however, defining, identifying, and assessing special taxes and prices on them may be difficult and costly to implement In contrast to tobacco ... seen to actually giving food to patients (54) Thus, while food provision appears to result in short-term weight loss, the 15 What is known about the effectiveness of economic instruments to reduce...
Ngày tải lên: 17/03/2014, 08:20
THE GUIDE TO CASHING SAVINGS BONDS - (Formerly known as the Identification Guide for Cashing United States Savings Bonds) pptx
... Go to the next question STOP Don’t cash the bond The customer must take the bond to a financial institution where he/she is an established customer Does the customer have a motor vehicle operator’s ... document? NO Go to the next question STOP Don’t cash the bond The customer must take the bond to a financial institution where he/she is an established customer Go to the next question STOP Don’t cash ... the customer an attorney-in-fact (acting under a power of attorney)? Go to the next question Refer the request to your servicing FRB Savings Bond Processing Site; you may NOT pay to an attorney-in-fact...
Ngày tải lên: 22/03/2014, 20:20
POULTRY A GUIDE TO ANATOMY AND SELECTED SPECIES pot
... attached to the breast, known as the beard Snood Caruncles A young turkey is called poult A male turkey of any age may be referred to as tom; female turkey, a hen Ducks have nomenclature similar to ... bird Swan chicks are properly called cygnets Swans respond to the same care as geese Swans live to be very old; the males have been known to live for more than 60 years EGGS Eggs are a biological ... some moisture to the feed at this point The esophagus (gullet) is part of the tube that conveys feed from the mouth to the stomach The crop, located in the lower neck area, provides storage for...
Ngày tải lên: 23/03/2014, 21:20
Báo cáo khoa học: Is there more to aging than mitochondrial DNA and reactive oxygen species? pot
... according to some indications Overexpression of catalase in the mitochondrial or cytosolic compartments increases the sensitivity of HepG2 cells to tumor necrosis factora-induced apoptosis [175] ... leaked from the ETC OÀ is efficiently converted to H2O2 by mitochondrial superoxide dismutase (Sod2) H2O2 is then detoxified to H2O either by mitochondrial glutathione peroxidase (GPx1) with concomitant ... probably only, contributors to H2O2 detoxification in the mitochondrial matrix (Fig 1) O2 þ eÀ ! OÀ 2OÀ þ 2Hþ ! H2 O2 þ O2 The OÀ generated by the ETC is quickly converted to H2O2 (Fig and Eqn...
Ngày tải lên: 29/03/2014, 22:21