Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Laura L. Belicka"'
Publikováno v:
Organic Geochemistry. 75:129-139
Assessing the sources and quantifying the contributions of particulate organic matter (POM) in estuaries is a challenge. Here we apply source-specific biomarkers to assess POM sources in an estuary receiving suspended material from freshwater wetland
Publikováno v:
Marine Ecology Progress Series. 455:245-256
The degree of reliance of newborn sharks on energy reserves from maternal resource allocation and the timescales over which these animals develop foraging skills are critical factors to- wards understanding the ecological role of top predators in mar
Publikováno v:
Wetlands. 32:531-542
The relative importance of algal and detrital energy pathways remains a central question in wetlands ecology. We used bulk stable isotope analysis and fatty acid composition to investigate the relative contributions of periphyton (algae) and floc (de
Publikováno v:
Continental Shelf Research. 31:1169-1179
To quantify changes in organic carbon inputs and preservation, sediments from the Northern Chukchi Sea spanning the last 9000 years of the Holocene period were collected during the HOTRAX expedition and analyzed. The multi-proxy approach included mol
Autor:
Laura L. Belicka, H. Rodger Harvey
Publikováno v:
Geochimica et Cosmochimica Acta. 73:6231-6248
A variety of approaches have previously been developed to estimate the fraction of terrestrial or marine organic carbon present in aquatic sediments. The task of quantifying each component is especially important for the Arctic due to the regions’
Publikováno v:
Marine Chemistry. 115:72-85
Molecular organic biomarkers together with trace element composition were investigated in sediments east of Barrow Canyon in the western Arctic Ocean to determine sources and recycling of organic carbon in a continuum from the shelf to the basin. Alg
Publikováno v:
Deep Sea Research Part II: Topical Studies in Oceanography. 52:3478-3508
An understanding of the carbon cycle within arctic sediments requires discrimination between the terrigenous and marine components of organic carbon, insight into the removal mechanisms for labile carbon during burial and appreciation of shelf-to-bas
Publikováno v:
Marine Chemistry. 86:65-88
A suite of organic biomarkers was examined in six sediment cores from two shelf-basin transects in the Chukchi and Beaufort Seas of the Arctic Ocean to compare the sources and preservation of organic carbon between the two differing depositional regi
Publikováno v:
Deep Sea Research Part I: Oceanographic Research Papers. 49:1463-1483
Lipids in surface sediment transects across the Arctic Ocean were identified to define the sources of organic carbon and the transport of material in the ocean basin. Sterols representing diatoms (24-methylcholesta-5,24(28)-dien-3β-ol, 24-methylchol
Autor:
Rudolf Jaffé, Stephen A. Macko, Michael R. Heithaus, Laura L. Belicka, Derek A. Burkholder, James W. Fourqurean
Publikováno v:
Marine and Freshwater Research. 63:1085
The relative importance of the identity and abundance of primary producers in structuring trophic ecology, particularly in seagrass-dominated ecosystems, remains unclear. We assessed the contributions of seagrass, epiphytes, macroalgae, and other pri