The reproductive biology of Parhyale basrensis Salman (Crustacea, Amphipoda) in the Shatt al-Arab river

Ali, Malik H.; Salman, Salman D.

doi:10.1016/0272-7714(86)90032-6

Cited by 17 publications

(9 citation statements)

References 17 publications

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“…Kuznetsov 1964Sainte-Marie et al 1990Fincham 1974Scott & Croker 1976Sainte-Marie et al 1990 Sainte-Marie unpubl. & Croker 1984Kuznetsov 1964Gilat 1962Strong 1972Strong 1972Strong 1972Embody 1911Dorsman 1935Wildish 1979Wildish 1979Wildish 1979Nagata 1966Behbahani & Croker 1982Morino 1978Wildish 1979Ali & Salman 1986Steele 1973Hughes 1982Williams 1978Venables 1981Bousfield & Heard 1986Bousfield & Heard 1986 …”

Section: Discussionmentioning

confidence: 99%

A review of the reproductive bionomics of aquatic gammaridean amphipods: variation of life history traits with latitude, depth, salinity and superfamily

Sainte‐Marie

1991

Hydrobiologia

192

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Life history traits (mean and maximum body length of females, number of embryos per brood = brood size, embryo diameter, number of broods per female, lifespan of females) for 302 populations of aquatic gammaridean amphipods, representing 214 species in 16 superfamilies, were reviewed. The variation of these traits, of lifetime potential fecundity (i.e. the number of embryos produced per female lifespan) and of reproductive potential (i.e. the number of embryos produced per female per year), with temperature (latitude), depth, salinity and superfamily, was investigated by various univariate and multivariate methods. Gammaridean amphipods comprise semelparous and iteroparous populations and species, with semiannual, annual, biannual or perennial life cycles. However, most gammarideans studied so far are iteroparous annuals. Body length explains most of the variation in brood size and embryo diameter. The reproductive potential may be increased by increasing body size for a constant breeding frequency, by increasing brood size at the expense of smaller embryos, by increasing breeding frequency for a constant lifespan at the expense of smaller individual broods and/or embryos, and by increasing longevity for a constant breeding frequency and brood size. Combinations of these different options constitute the life history patterns of gammarideans, which vary across superfamilies, latitude and depth, and cannot simply be explained by variations in body length. High latitude species were generally characterized by biannual or perennial life histories, large body size, delayed maturity, and single or few broods with many, relatively large embryos; converse sets of traits characterized low latitude species. Deep-living species had relatively smaller broods and embryos than their shallow-living relatives, yet did not produce more broods. However, different superfamilies dominated in different habitats. The importance of natural selection relative to phylogenetic (historical) and physiological constraints in the forging of these patterns is discussed.

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Section: Discussionmentioning

confidence: 99%

A review of the reproductive bionomics of aquatic gammaridean amphipods: variation of life history traits with latitude, depth, salinity and superfamily

Sainte‐Marie

1991

Hydrobiologia

192

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“…mesopotamica was carried out in 14 May 1973 to 29 April 1974 from the AlChibassy tributary of the Shatt Al-Arab river (Figure 1) . For a description of the area and associated fauna and flora see Ali & Salman (1986, 1987 . Sampling was qualitative i .e .…”

Section: Methodsmentioning

confidence: 99%

“…The station was on the river bank at the University Campus, about 8 km north of the previous station ( Figure 1) . The fauna and flora of this area is typical of the Shatt Al-Arab River (Ali & Salman, 1986) . Samples were taken from near the high tide mark where most burrows of the isopod are found .…”

Section: Methodsmentioning

confidence: 99%

Life cycle and population dynamics of Annina mesopotamica (Ahmed), (Isopoda, Flabellifera) in the Shatt Al-Arab Region, Basrah, Iraq

1996

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“…A positive relationship between fecundity and body size is common, if not universal, in amphipods (e.g. Sheader & Chia, 1970;Downer & Steele, 1979;LaFrance & Ruber, 1985;Ali & Salman, 1986;Kusano & Kusano, 1988;Jones & Wigham, 1993) and many other Crustacea (see Ivanova & Vassilenko, 1987, and references therein). Some workers have fitted power functions to fecundity-body-size relationships in amphipods (e.g.…”

Section: Reproductive Outputmentioning

confidence: 99%

Fecundity and Seasonal Changes in Reproductive Output of Females of the Gravel Beach Amphipod, Pectenogammarus Planicrurus

Bella

Fish

1996

J. Mar. Biol. Ass.

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Pectenogammarus planicrurus Reid (Crustacea: Amphipoda) is an inhabitant of unstable gravel beaches. The reproductive output of females of this species was studied at Aberystwyth, on the west coast of Wales. There was marked seasonal variation in the size of eggs: the mean volume of eggs at an early stage of embryonic development ranged from 0-023 mm 3 in summer to 0030 mm 3 in winter. Egg size was negatively related to brood size, but seasonal variation in brood size was greater than could be accounted for by egg size alone. Mean brood size ranged from 1 -4 eggs in winter to 5-9 eggs in summer. Brood size was also strongly related to female body size, ranging up to 14 eggs in a large female. These findings are discussed in relation to adaptation to interstitial living in coarse intertidal gravels. A model of seasonal variation in reproductive output is suggested in which the importance of point reproductive output is related to the probability of females surviving to produce subsequent broods.

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The reproductive biology of Parhyale basrensis Salman (Crustacea, Amphipoda) in the Shatt al-Arab river

Cited by 17 publications

References 17 publications

A review of the reproductive bionomics of aquatic gammaridean amphipods: variation of life history traits with latitude, depth, salinity and superfamily

A review of the reproductive bionomics of aquatic gammaridean amphipods: variation of life history traits with latitude, depth, salinity and superfamily

Life cycle and population dynamics of Annina mesopotamica (Ahmed), (Isopoda, Flabellifera) in the Shatt Al-Arab Region, Basrah, Iraq

Fecundity and Seasonal Changes in Reproductive Output of Females of the Gravel Beach Amphipod, Pectenogammarus Planicrurus

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