A demographic study of Dictyopteris undulata Holmes (Dictyotales, Phaeophyta) at Santa Catalina Island, California

Benson, Manetta R.

doi:10.2216/i0031-8884-25-4-448.1

Cited by 3 publications

(5 citation statements)

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“…Also, it seems that each species in Dictyotales have their own reproductive season: some species will reproduce in summer (Montanes et al 2006;our study Fig. 8); other species in autumn (Benson 1986) or winter (Malbran and Hoffman 1990;Paul-Chavez et al 2006) contrary to the idea presented in King and Farrant (1987: 347, Table 1) were most of their studied species reproduce all year around with two exceptions.…”

Section: Discussionmentioning

confidence: 72%

“…Population studies about species in the Order Dictyotales have been concentrated in temperate areas (Allender 1977;Benson 1986;King and Farrant 1987;Malbran and Hoffman 1990) and some in tropical zones (Ganesan et al 2000;Montanes et al 2006;Paul-Chávez et al 2006). Among the population parameters studied, seasonal changes in cover and size has been found (King and Farrant 1987;Paul-Chavéz et al 2006).…”

Section: Introductionmentioning

confidence: 99%

“…Density has been used as a population descriptor in other genera (Montanes et al 2006). In relation to reproduction there are contradictory information exist, because in some populations reproduction is continuous (King and Farrant 1987;Phillips 1988;Ganesan 2000) while in other populations reproduction is seasonal with peaks in autumn (Benson 1986) or winter (Malbran and Hoffman 1990). The only coincidence in all the studies is the dominance of tetrasporophyte thalli (Foster et al 1972;Allender 1977;King and Farrant 1987;Montanes et al 2006) and the regeneration from mitotic spores and fragments (Gaillard 1972;Foster et al 1972;Benson 1986).…”

Section: Introductionmentioning

confidence: 99%

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Population Structure and Reproduction of Padina concrescens Thivy(Dictyotales: Phaeophyta) in Southwest Baja California Peninsula, Mexico

Rafael¹,

Consuelo²

2009

ALGAE

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The brown algae Padina concrescens is widely distributed in the northwestern Pacific México. We described the population of P. concrescens based on population parameters such as cover, density and size structure and reproduction at two levels tide at the intertidal area in the southwestern Baja California Peninsula. Monthly visits from January to December 2003 were done. Both cover and density were measured in situ by quadrants method. Samples were collected to obtain size structure and percentage of reproductive fronds. Our results show there is spatial variation in the population structure more than temporal. Thus, cover and density peak were at different months in each tide level studied, the lower tide level shows the high values in cover as well as density. The frond development was observed in height/width ratio this relation was consistent only in the low tidal zone. Size class distribution has consistently small size plants in both tide levels. Reproduction was seasonal in the tide channel but in both tide levels all the reproductive plants were tetrasporophyte. Our results suggest that this population is pseudoperenial and it strongly as a consequence of the intense competition in the intertidal zone.

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Section: Discussionmentioning

confidence: 72%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Population Structure and Reproduction of Padina concrescens Thivy(Dictyotales: Phaeophyta) in Southwest Baja California Peninsula, Mexico

Rafael¹,

Consuelo²

2009

ALGAE

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“…or Macrocystis spp. and in the absence of larger canopy-forming maeroalgae some, such as Diclyopleris uttclulata (Benson 1986). may tbrm dense stands.…”

Section: Dictyotalesmentioning

confidence: 99%

“…However, there is no information on how many years an individual may live for. Many species have the ability to reproduce vegetatively by developing new fronds from the basal filaments that make up the holdfast (Daly & Mathieson 1977;Benson 1986) and it is possible that individual genotypes may survive in this way for many years.…”

Section: Dictyotalesmentioning

confidence: 99%

The adaptive significance of life history characters in selectedorders of marine brown maeroalgae

Clayton

1990

Australian Journal of Ecology

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Life history eharaeters. whieh are generally eonsidered to be of eritieal signifteanee in evolution, consist of various pheiiotypie trails eoneerned with growth and reproduetion. Siiite.s ot Hie history eharaeters are frequently referred to as 'strategies'. These are hypotheses whieh attempt to e.xplain the adaptive .signifieanee of partieular suites of eharaeters. This paper reviews lije history eharaeters of speeies belonging to various orders of brown algae (Phaeophyeeae) and diseusses their possible adaptive .'^igni/ieanee. together with the e.xtent to whieh they are eonsistent with opportunistie. stress tolerant and biotieally eompetent strategies. In general, speeies belonging to the same order have broadly similar suites of life history eharaeters and. thus, to some degree they share eomparable adaptive strategies. For e.\ample. the Laminariales, Fueales and Durvillaeales inelude a high proportion of biotieally eompetent speeies. many ofthe Dietyotales appear to be stress tolerant, and the Eetoearpales are typieally opportunistie. The two heteromorphie generations of speeies in the Seytosiphonales are viewed as having divergent strategies, the erustose stages showing a greater degree of stress toleranee than the opportunislie ereet stages.

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Demographic Studies of the Annual Kelps Nereocystis luetkeana and Costaria costata (Laminariales, Phaeophyta) in Puget Sound, Washington

Maxell¹,

Miller²

1996

Botanica Marina

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A demographic study of Dictyopteris undulata Holmes (Dictyotales, Phaeophyta) at Santa Catalina Island, California

Cited by 3 publications

References 0 publications

Population Structure and Reproduction of Padina concrescens Thivy(Dictyotales: Phaeophyta) in Southwest Baja California Peninsula, Mexico

Population Structure and Reproduction of Padina concrescens Thivy(Dictyotales: Phaeophyta) in Southwest Baja California Peninsula, Mexico

The adaptive significance of life history characters in selectedorders of marine brown maeroalgae

Demographic Studies of the Annual Kelps Nereocystis luetkeana and Costaria costata (Laminariales, Phaeophyta) in Puget Sound, Washington

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