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Articles 31 - 35 of 35
Full-Text Articles in Marine Biology
First Occurrence Of The Invasive Hydrozoan Gonionemus Vertens A. Agassiz, 1862 (Cnidaria: Hydrozoa) In New Jersey, Usa, John J. Gaynor, Paul A.X. Bologna, Dena J. Restaino, Christie Barry
First Occurrence Of The Invasive Hydrozoan Gonionemus Vertens A. Agassiz, 1862 (Cnidaria: Hydrozoa) In New Jersey, Usa, John J. Gaynor, Paul A.X. Bologna, Dena J. Restaino, Christie Barry
Department of Biology Faculty Scholarship and Creative Works
Gonionemus vertens A. Agassiz, 1862 is a small hydrozoan native to the Pacific Ocean. It has become established in the northern and southern Atlantic Ocean as well as the Mediterranean Sea. We report on the first occurrence of this species in estuaries in New Jersey, USA,and confirm species identification through molecular sequence analysis. Given the large number of individuals collected, we contend that this is a successful invasion into this region with established polyps. The remaining question is the vector and source of these newly established populations.
Effects Of Dominant Plant Species And Water Depth On Methane Fluxes In A Freshwater Wetland, Marco T. Finocchiaro
Effects Of Dominant Plant Species And Water Depth On Methane Fluxes In A Freshwater Wetland, Marco T. Finocchiaro
Theses, Dissertations and Culminating Projects
Methane (CH4) is a highly potent greenhouse gas (GHG) found to contribute to the global problem of atmospheric warming. Wetlands have been documented to possess the ability to impact the earth’s CH4 cycle yet are in a state of global depletion. CH4 flux rates in wetlands have been found to vary within wetlands based on variability in environmental factors. There is a lack o f consensus on the effects of water depth as well as dominant plant type on CH4 flux rates. In this study on Lake Wapalanne, Sussex County, NJ, submerged areas were found …
An Assessment Of Gelatinous Zooplankton And Impacts On Planktonic Community Structure In Barnegat Bay, New Jersey, Christie L. Castellano
An Assessment Of Gelatinous Zooplankton And Impacts On Planktonic Community Structure In Barnegat Bay, New Jersey, Christie L. Castellano
Theses, Dissertations and Culminating Projects
Local populations of gelatinous zooplankton are experiencing increases in response to changes in coastal ecosystems due to anthropogenic forces. The abundance of the Atlantic sea nettle (Chrysaora quinquecirrha) has dramatically increased in Barnegat Bay, NJ. Lift net sampling was used to determine the density and distribution of sea nettle and ctenophore {Mnemiopsis leidyi) populations, while zooplankton tows were used to compare relationships between their abundance to that of other zooplankton species. Lift net results showed substantial spatial and temporal variability in density and distribution of ctenophores and sea nettles, with these patterns being inversely proportional. Chrysaora quinquecirrha was more abundant …
Human Disturbance Of Seagrass Beds In Hoga Island, Indonesia : Impacts On Edge Effects, Anthony John Suleski
Human Disturbance Of Seagrass Beds In Hoga Island, Indonesia : Impacts On Edge Effects, Anthony John Suleski
Theses, Dissertations and Culminating Projects
Ecosystems are broad classifications of areas where overlapping communities exist which can contain relatively high faunal and floral diversity. These communities characteristically are often influenced by external forces. Disturbances can create incongruencies in these communities and have been demonstrated to change community dynamics in varying ways. Humans are responsible for many disturbances which alter habitat and community structure and many habitat edges or ecotones are artificially created by these human disturbances. In Wakatobi National Park, Hoga Island, Indonesia, three bays exist and are in close proximity to one another with varying levels of human influence. This study investigated how anthropogenic …
A Biogeochemical Comparison Of Fossil (Carboniferous) And Modern Crustose Red Algae, Michael A. Kruge, John E. Utgaard, William Ferry
A Biogeochemical Comparison Of Fossil (Carboniferous) And Modern Crustose Red Algae, Michael A. Kruge, John E. Utgaard, William Ferry
Department of Earth and Environmental Studies Faculty Scholarship and Creative Works
The nature of the contribution of the various types of algae to sedimentary organic matter continues to be a topic of research interest. Crustose red algae have however received less attention than other types. The fossil calcareous red algae (Rhodophyta) analyzed in this study are two relatively unrecrystallized specimens of Parachaetetes (Family Solenoporacea) from the lower part of the Ste. Genevieve Formation (Carboniferous, Visean) in Union County, Illinois, USA. They occurred in the patch reef phase of a small carbonate mudmound-patchreef. The three modern specimens (collected and identified by F. Collier) are the crustose algae Lithothamnion, Clathromorphum and Phymatolithon …