Responses of resident marsh fishes to stages ofPhragmites australis invasion in three mid Atlantic estuaries

Hunter, Karen L.; Fox, Dewayne A.; Brown, Lori M.; Able, Kenneth W.

doi:10.1007/bf02784996

Cited by 41 publications

(28 citation statements)

References 47 publications

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“…We monitored marsh flooding of the individual study ponds by placing tide staffs (meter sticks to which narrow plastic cups were attached at 5 cm intervals) at the perimeter of each pond which we used to estimate the minimum tide level required to flood each pond. To obtain an estimate of the total number of floods occurring at a pond, we summed the occasions when the main tide gauge recorded a tide level greater than the tide level required to fill the bottom cup of the tide staff at each pond (Hunter et al 2006).…”

Section: Methodsmentioning

confidence: 99%

Influence of flood frequency, temperature and population density on migration of Fundulus heteroclitus in semi-isolated marsh pond habitats

Hunter¹,

Fox

Able³

2009

Mar. Ecol. Prog. Ser.

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Fish respond to habitat and demographic factors that affect growth and survival through migration, reproduction and mortality. However, the importance of migration rates on fish population dynamics and the effects of habitat and demographic factors on movement are not well understood. We used mark-recapture to determine population dynamics (recruitment, mortality, immigration and emigration) of the mummichog Fundulus heteroclitus inhabiting semi-isolated ponds in a New Jersey salt marsh over the spring and summer of 2002. We tested the effects of marsh pond flood frequency, water temperature and fish density on mummichog emigration from marsh ponds. Results show that during the April to July study period, monthly emigration rates averaged 30% and tended to decline from spring to summer in most ponds. Recruitment and immigration were negligible after May and June, respectively. Increasing mortality and decreasing emigration and immigration over the study period suggested that there was a shift in the importance of movement in regulating mummichog population size in marsh ponds. The mean rate of emigration showed a significant negative relationship with the frequency of flooding in a pond. Neither mummichog density nor water temperature was strongly correlated with emigration rate. Our finding of lower emigration from ponds with higher flooding frequency suggests that frequent pond flooding indirectly triggers stationary behaviour in mummichogs because of enhanced water quality and food abundance.

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Section: Methodsmentioning

confidence: 99%

Influence of flood frequency, temperature and population density on migration of Fundulus heteroclitus in semi-isolated marsh pond habitats

Hunter¹,

Fox

Able³

2009

Mar. Ecol. Prog. Ser.

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“…Essington & Kitchell (1999) showed telemetered largemouth bass distributions in a small Michigan lake were the product of several processes operating at spatial scales of 10, 30, and 180 m. The authors concluded that the small-scale aggregation may have been a response to patches of aquatic macrophytes, while large-scale variation was a response to selection of the eastern half of the lake, possibly due to warmer water temperatures. Research addressing the effect of scale has not been as common for estuaries as it has for other systems; estuarine research has mostly examined the spatial correlations of recruitment variability (Scharf 2000, Bacheler et al 2008b, Manderson 2008) and the habitat effects of invasive species (Hunter et al 2006). …”

Section: Importance Of Scalementioning

confidence: 99%

Abiotic and biotic factors influence the habitat use of an estuarine fish

Bacheler¹,

Paramore²,

Buckel³

et al. 2009

Mar. Ecol. Prog. Ser.

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For migratory fishes that occupy multiple habitats, surveys conducted at different scales may be required to assess habitat use. We used generalized additive models (GAMs) to relate water quality, microhabitat, geographic, and temporal factors to catches of 2 age classes of subadult red drum Sciaenops ocellatus from a 6 yr fishery-independent gill net survey in North Carolina, USA. Age-1 and age-2 red drum were most often caught in shallow, nearshore waters; in some regions, both showed a preference for seagrass. Age-1 red drum were primarily captured at 2 different salinity ranges (0 to 5 and 20 to 30 psu), while age-2 red drum abundance was not related to salinity. A smaller-scale analysis of 36 telemetered age-2 red drum in a small tributary of the Neuse River showed a negative response to salinity, a positive response to dissolved oxygen, a dome-shaped response to prey evenness, and a positive response to total prey. Although subadult red drum can tolerate a wide variety of environmental conditions, our research suggests that they associate with both abiotic and biotic factors in very specific ways. Habitat use patterns of subadult red drum were age-, scale-, and sometimes region-dependent, highlighting the need for examining habitat use patterns of estuarine organisms at multiple life history stages and scales if generalities about how species respond to abiotic and biotic factors are sought.

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“…Native to North America (Orson et al 1987;Kiviat and Hamilton 2001), P. australis is generally considered undesirable and invasive in many regions, where within the past century it has changed from a relatively minor component in diverse plant associations to an often dominant species that can form extensive monocultures (Chambers et al 1999;Orson 1999;Rice et al 2000). Numerous studies have documented the impacts associated with P. australis expansion in North American wetlands, including changes in plant community structure (Moore et al 1999;Windham and Lathrop 1999;Burdick and Konisky 2003), the value of foraging and nesting habitats for birds (Benoit and Askins 1999;Trocki and Paton 2006), and in resident fish and macroinvertebrate populations (Weinstein and Balletto 1999;Angradi et al 2001;Talley and Levin 2001;Osgood et al 2003;Raichel et al 2003;Buchsbaum et al 2006;Hunter et al 2006). While many studies have identified negative effects, others have indicated that P. australis invasions are likely to have negligible (Chambers et al 1999;Talley and Levin 2001;Warren et al 2001;Leonard et al 2002;Windham and Ehrenfeld 2003) or even positive (Windham and Lathrop 1999;Rooth and Stevenson 2000;Findlay et al 2003;) impacts on fauna and ecosystem functions.…”

Section: Introductionmentioning

confidence: 97%

Rapid growth of a Eurasian haplotype of Phragmites australis in a restored brackish marsh in Louisiana, USA

Howard

Travis

Sikes³

2007

Biol Invasions

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While numerous studies have documented patterns of invasion by non-indigenous plant species, few have considered the invasive properties of non-native genotypes of native species. Characteristics associated with specific genotypes, such as tolerance to disturbance, may mistakenly be applied to an entire species in the absence of genetic information, which consequently may affect management decisions. We report here on the incidence and growth of an introduced lineage of Phragmites australis in the Gulf of Mexico coastal zone of Louisiana. P. australis was collected from nine separate locations for inclusion in a series of growth experiments. Chloroplast DNA analysis indicated that specimens collected from four locations in the Mississippi River Delta represented the introduced Eurasian haplotype; the remainder represented the gulf coast haplotype. Three distinct genotypes, or clones, were identified within each haplotype via analysis using amplified fragment length polymorphisms, which also revealed reduced genetic diversity of the gulf coast clones compared to the Eurasian clones. Clones of each haplotype were planted along with three other native macrophytes at similar densities in a restored brackish marsh and monitored for growth. After 14 months, the Eurasian haplotype had spread vegetatively to cover about 82% of the experimental plots, more than four times the coverage (18%) of the gulf coast haplotype. Thus, the use of P. australis plantings for wetland restoration should consider the genetic lineage of plants used since our results indicate the potential of the Eurasian haplotype to grow rapidly at newly restored sites. This rapid growth may limit the establishment of more slowly growing native species.

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Responses of resident marsh fishes to stages ofPhragmites australis invasion in three mid Atlantic estuaries

Cited by 41 publications

References 47 publications

Influence of flood frequency, temperature and population density on migration of Fundulus heteroclitus in semi-isolated marsh pond habitats

Influence of flood frequency, temperature and population density on migration of Fundulus heteroclitus in semi-isolated marsh pond habitats

Abiotic and biotic factors influence the habitat use of an estuarine fish

Rapid growth of a Eurasian haplotype of Phragmites australis in a restored brackish marsh in Louisiana, USA

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