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Growth parameters

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Journal Article
Aquatic Ecosystem Health & Management (2019) 22 (4): 473–480.
Published: 02 October 2019
...Absar Alam; Narendra Kumar Chadha; Sushant Kumar Chakraborty; Kripal Datt Joshi; Tarkeshwar Kumar; Shyamal Chandra Sukla Das; Sibnarayan Dam Roy; Anees Fatima Rizvi; Paromita Banerjee Sawant; Jeetendra Kumar Growth parameters, mortality, growth performance index and exploitation ratio of...
Journal Article
Aquatic Ecosystem Health & Management (2007) 10 (4): 443–448.
Published: 28 November 2007
...J. E Ojuok; M. Njiru; M. J. Ntiba; K. M. Mavuti Studies were conducted on reproductive characteristics of Oreochromis niloticus from 1998 to 2000. The results were combined with published work on growth parameters of O. niloticus from 1985 to 1999 in order to establish the current survival...
Journal Article
Aquatic Ecosystem Health & Management (2000) 3 (3): 359–368.
Published: 01 January 2000
...., Volat, B., 1993. Utilisation des activitrs exoenzyma- tiques microbiennes dans l'rtude d'~cosyst~mes aquatiques. Revue des Sciences de I'Eau 6, 251-268. OECD, 1993. Algal growth inhibition test # 201. OECD guideline for testing of chemicals. Packard, T.T., 1971. The measurement of the respiratory...
Journal Article
Aquatic Ecosystem Health & Management (2013) 16 (4): 433–444.
Published: 01 October 2013
... from large catchment areas and also due to the influence of strong tidal action. Water pH was consistently alkaline in nature in Hooghly estuary during our studies ranging from 7.5 to 8.8, indicative of being congenial for survival and growth of aquatic organism ( Figures S7 and S8 ). Hooghly...
Includes: Supplementary data
Journal Article
Aquatic Ecosystem Health & Management (2005) 8 (2): 195–207.
Published: 01 April 2005
... the primary limiting factor as algal growth becomes independent of higher P concentrations ( Campbell and Prepas, 1986 ; Hall et al., 1999 ). High algal densities associated with elevated nutrient loading accelerate eutrophication, with accompanying compression of the photic zone due to shading...
Journal Article
Aquatic Ecosystem Health & Management (2007) 10 (4): 434–442.
Published: 28 November 2007
... Assessment Tool (FISAT) ( Ganyanilo et al., 1996 ) were used to estimate population parameters. Parameters of the Von Bertalanffy growth formula (VBGF) ( Sparre and Venema, 1998 ) were estimated from: where L t is the predicted length at age t , L ∞ is the asymptotic length, K is a growth...
Journal Article
Aquatic Ecosystem Health & Management (2017) 20 (4): 423–434.
Published: 02 October 2017
... results also suggest that once introduced by ballast water, the growth of a phytoplankton community may depend more on the nutrient levels and the water temperature and less on the salinity. Although we did not consider parameters such as competition with native species and predation, both high nutrient...
Includes: Supplementary data
Journal Article
Aquatic Ecosystem Health & Management (2006) 9 (4): 447–455.
Published: 01 December 2006
..., fish fed on Artemia have the highest moisture and crude lipid contents and lowest crude protein contents ( Table 5 ). In Table 5 the missing values were due to the small weight of fry that was less than the methodology and the measurements limits. The correlations between the growth parameters...
Journal Article
Aquatic Ecosystem Health & Management (2012) 15 (4): 385–396.
Published: 01 December 2012
... to reach L inf ) and t o is the theoretical age of the fish when the length is zero. The three parameters for the von Bertalanffy growth equation were estimated using a non-linear model (least squares as the loss function and the Gauss-Newton algorithm; Systat, 2000 ). For evaluating the...
Journal Article
Aquatic Ecosystem Health & Management (2015) 18 (2): 221–231.
Published: 03 April 2015
... four periods of study. Biomarkers analyzed were: LPO, SOD, CAT and GPx, and the growth inhibition or stimulation of the exposed microalgae were tested and contrasted to a batch control. Marker responses were analyzed with an Integrated Biomarker Response (IBR) and related to water quality parameters...
Journal Article
Aquatic Ecosystem Health & Management (2000) 3 (4): 471–477.
Published: 01 January 2000
... has low cation exchange capacity and little OM. In this study, seedling development was analyzed to clarify which biometric parameters could be used as indicators of the environmental quality of mangrove areas influenced by chronic oil spillage. Morpho- physiological variations of the initial growth...
Journal Article
Aquatic Ecosystem Health & Management (2004) 7 (1): 115–126.
Published: 01 January 2004
...G. A. O. Moser; T. C. S. Sigaud-Kutner; C. O. Cattena; S. M. F. Gianesella; E. S. Braga; K. P. Schinke; E. Aidar Algal growth potential was used to quantify the degree of eutrophication of three coastal regions in São Paulo, Brazil which are subject to sewage disposal. Surface water was collected...
Journal Article
Aquatic Ecosystem Health & Management (2011) 14 (3): 231–238.
Published: 01 July 2011
... importance of nutritional quality on growth of Alewives, and it is likely that incorporating both nutritional quality and caloric intake in Alewife bioenergetics models would improve growth estimates. For example, nutritional parameters could be added to existing Alewife bioenergetics models to reflect...
Journal Article
Aquatic Ecosystem Health & Management (2001) 4 (2): 187–201.
Published: 01 June 2001
... Palmas river close to its outlet into the Río de la Plata estuary. The San Antonio site is located in the vicinity of sources of industrial and sewage effluents, whereas the more remote Paraná de las Palmas river sampling location is considerably less polluted. Growth rates of caged individuals at the...
Journal Article
Aquatic Ecosystem Health & Management (2008) 11 (4): 392–402.
Published: 09 December 2008
... Diporeia spp., a key link in the profundal food web, declined to near absence, exotic predaceous cladocerans with long spines proliferated, altering the zooplankton community, and depth distributions of fishes shifted. These changes had the potential to affect growth and condition of planktivorous alewife...
Journal Article
Aquatic Ecosystem Health & Management (2011) 14 (4): 345–355.
Published: 01 October 2011
... Tullibee (2004–2005). Biological response to tributary and landscape inputs will be most easily detected during stable biological conditions such as during the seasonal summer peak period. Rapidly developing or declining growth periods (spring or fall) have increased background variance across the...
Journal Article
Aquatic Ecosystem Health & Management (2012) 15 (3): 294–302.
Published: 01 July 2012
... using FiSAT software for estimating population parameters of A. indicus , including asymptotic length (L ∝ ), growth co-efficient (K) and exploitation rate (E) to assess the status of the stock. The annual mean L ∝ and K for males were estimated at 29.93 mm and 1.60 yr −1 , and for the females were...
Journal Article
Aquatic Ecosystem Health & Management (2007) 10 (4): 407–415.
Published: 28 November 2007
...J. O. Manyala; J. E. Ojuok In their adaptation to the rapidly shifting environment of the African Great Lakes, small pelagic fish appear to be the most successful fish species. This paper examines the fecundity, size at maturation and the growth and population parameters of Rastrineobola argentea...
Journal Article
Aquatic Ecosystem Health & Management (2009) 12 (3): 296–312.
Published: 24 September 2009
... goby predation may negate such effects. We conducted studies to assess the proportion, by weight, of round gobies in the diet of contemporary Lake Ontario Lake Trout and predicted its effect on egg thiamine concentration, and early mortality syndrome (EMS) and growth retardation, two indicators of...
Journal Article
Aquatic Ecosystem Health & Management (2017) 20 (1-2): 160–174.
Published: 03 April 2017
..., especially in the lower stretch of the River Krishna, may be attributed to higher regulated water flow from Nagarjunasagar reservoir, as well as hindered water flow at Prakasam barrage at Vijayawada. This has helped in the growth of dense aquatic macrophytes, especially the rooted submerged varieties, along...