Items where Author is "Lara, R. J."

Conference -Talk

Franzosi, C. A. , Lara, R. J. , Kattner, G. and Alder, V. A. (2012)
Latitudinal fluctuations in density and biomass of heterotrophic bacterioplankton from Antarctic Peninsula to Argentine shelf waters ,

XXXII SCAR and Open Science Conference, 16 July 2012 - 19 July 2012 .

hdl:10013/epic.40488

Conference -Poster

Kopprio, G. A. , López-Abbate, M. C. , Kattner, G. , Freije, R. H. , Hoffmeyer, M. S. and Lara, R. J. (2011)
Effects of climate change on the zooplankton lipid dynamics in coastal water bodies: A case-study in a brackish lake of Argentina ,

5th International Zooplankton Production Symposium, 14-18 March, Pucón, Chile. .

hdl:10013/epic.37014

Article

Lara, R. J. , Neogi, S. B. , Islam, M. S. , Mahmud, Z. H. , Islam, S. , Paul, D. , Demoz, B. B. , Yamasaki, S. , Nair, G. B. and Kattner, G. (2011)
Vibrio cholerae in waters of the Sunderban mangrove: relationship with biogeochemical parameters and chitin in seston size fractions ,

Wetlands Ecology and Management. 19(1), pp. 109-119 .

doi:10.1007/s11273-010-9204-0 , hdl:10013/epic.36921

Article

Lara, R. J. , Alder, V. , Franzosi, C. A. and Kattner, G. (2010)
Characteristics of suspended particulate organic matter in the southwestern Atlantic: Influence of temperature, nutrient and phytoplankton features on the stable isotope signature ,

Journal of Marine Systems 79, pp. 199-209 .

doi:10.1016/j.marsys.2009.09.002 , hdl:10013/epic.33557

Conference -Talk

Kopprio, G. A. , Kattner, G. , Freije, R. H. and Lara, R. J. (2010)
Essential fatty acids as ecological indicators in plankton food webs: a case study in a brackish lake of Argentina ,

ECSA 47 Symposium, 14-19 Sept., Figueira da Foz, Portugal. .

hdl:10013/epic.36185

Conference -Talk

Alder, V. A. , Franzosi, C. A. , Santoferrara, L. F. , Gómez, M. I. , Olguín Salinas, H. F. , Lizarralde, Z. , Kattner, G. and Lara, R. J. (2010)
Macro-scale spatial distribution of microbial planktonic organisms in SW Atlantic and Antarctic contrasting marine systems. ,

SCAR Open Science Conference, 30 July - 11 Aug, Buenos Aires, Argentina. .

hdl:10013/epic.35705

Conference -Talk

Kopprio, G. A. , Lara, R. J. , Freije, R. H. , Strüssmann, C. A. , Kattner, G. , Hoffmeyer, M. S. and Popovich, C. A. (2010)
Vulnerability of silverside (Odontesthes bonariensis) populations to climate change in Pampean Lakes of Argentina ,

The Fisheries Society of the British Isles Annual Symposium, Fish and Climate Change, 26-30 July, Belfast, UK. .

hdl:10013/epic.35659

Conference -Talk

Kopprio, G. A. , Lara, R. J. , Freije, R. H. , Kattner, G. , Hoffmeyer, M. S. and Popovich, C. A. (2009)
Management of brackish water resources in semiarid grasslands of Argentina: past environmental changes and future perspectives of a highly productive coastal lake ,

The 4th International Conference of the Egyptian Society for Environmental Sciences, 10-11 Nov., Ismailia, Egypt. .

hdl:10013/epic.33713

Inbook

Lara, R. J. , Szlafstein, C. F. , Cohen, M. C. L. , Taylor, B. , Oxamnn, J. and Souza Filho, P. W. M. (2007)
Geomorphology and sedimentology of mangroves and salt marshes: the formation of geobotanical units ,

In: Perillo, G.M.E., Wolanski E., Cahoon D., Brinson, M. (Eds), Coastal wetlands: An integrated ecosystem approach. Elsevier B.V. Earth Sciences .

hdl:10013/epic.27674

Article

Souza Filho, P. W. M. , Cohen, M. C. L. , Lara, R. J. , Lessa, G. C. , Koch, B.

and Behling, H. (2006)
Holocene coastal evolution and facies model of the Bragança macrotidal flat on the Amazon Mangrove Coast, Northern Brazil ,

Journal of Coastal Research, SI 39, pp. 306-310 .

hdl:10013/epic.32475

Article

Dittmar, T. , Hertkorn, N. , Kattner, G. and Lara, R. J. (2006)
Mangroves, a major source of dissolved organic carbon to the oceans ,

Global biogeochemical cycles, 20, GB1012 .

doi:10.1029/2005GB002570 , hdl:10013/epic.24073

Conference -Talk

Lara, R. J. and Taylor, B. (2006)
Sedimentary organic matter and past reactions of Amazonian wetlands to climate oscillations in the Holocene ,

17th International Sedimentology Congress 2006, Fukuoka, Japan, Abstract Volume p.103. .

hdl:10013/epic.27676

Conference -Talk

Taylor, B. and Lara, R. J. (2006)
The impact of Sesuvium portulacastrum on nitrogen dynamics in the surface sediments of a mangrove forest in North Brazil ,

17th International Sedimentology Congress 2006, Fukuoka, Japan, Abstract Volume .

hdl:10013/epic.27675

Article

Koch, B.

, Harder, J. , Lara, R. J. and Kattner, G. (2005)
The effect of selective microbial degradation on the composition of mangrove derived pentacyclic triterpenols in surface sediments ,

Organic Geochemistry, 36 , pp. 273-285 .

doi:10.1016/j.orggeochem.2004.07.019 , hdl:10013/epic.20165

Article

Cohen, M. C. L. , Lara, R. J. , Szlafsztein, C. and Dittmar, T. (2004)
Mangrove inundation and nutrient dynamics from a GIS perspective ,

Wetlands Ecology and Management, 12 (2), pp. 81-86 .

doi:10.1023/B:WETL.0000021668.25445.41 , hdl:10013/epic.22668

Article

Dittmar, T. and Lara, R. J. (2001)
Do mangroves rather than rivers provide nutrients to coastal environments south of the Amazon River? Evidence from long-term flux measurements ,

Marine Ecology-Progress Series, 213 , pp. 67-77 .

hdl:10013/epic.15020

Article

Dittmar, T. and Lara, R. J. (2001)
Driving Forces Behind Nutrient and Organic Matter Dynamics in a Mangrove Tidal Creek in North Brazil ,

Estuarine coastal and shelf science, 52 , pp. 249-259 .

doi:10.1006/ecss.2000.0743 , hdl:10013/epic.15018

Conference -Poster

Dittmar, T. , Lara, R. J. and Kattner, G. (2001)
Major organic matter sources in tropical Brazilian coastal waters: river or mangrove ,

2001 An Ocean Odyssey, Mar del Plata, Argentinien. .

hdl:10013/epic.20467

Article

Dittmar, T. and Lara, R. J. (2001)
Molecular evidence for lignin degradation in sulfate-reducing mangrove sediments (Amazonia, Brazil) ,

Geochimica et Cosmochimica Acta, 65 (9), pp. 1417-1428 .

doi:10.1016/S0016-7037(00)00619-0 , hdl:10013/epic.15019

Article

Dittmar, T. , Lara, R. J. and Kattner, G. (2001)
River or mangrove? Tracing major organic matter sources in tropical Brasilian coastal waters ,

Marine Chemistry, 73 , pp. 253-271 .

hdl:10013/epic.14799

Article

Cohen, M. C. , Lara, R. J. , Szafsztein, C. F. and Dittmar, T. (2000)
Digital elevation model as a GIS tool for the analysis of mangrove coasts, Amazon region, Brazil ,

International Journal of Environmental Creation, 3 , pp. 31-41 .

hdl:10013/epic.19257

Article

Cohen, M. C. L. , Lara, R. J. , Ramos, J. F. F. and Dittmar, T. (1999)
Factors influencing the variability of Mg, Ca and K in waters of a mangrove creek in Braganca, North Brazil. ,

Mangroves and salt marshes, 3 , pp. 9-15 .

hdl:10013/epic.17653

Article

Lara, R. J. and Dittmar, T. (1999)
Nutrient dynamics in a mangrove creek (North Brazil) during the dry season. ,

Mangroves and salt marshes, 3 , pp. 185-195 .

hdl:10013/epic.17647

Article

Kattner, G. , Lobbes, J. M. , Fitznar, H. P. , Engbrodt, R. , Nöthig, E. M.

and Lara, R. J. (1999)
Tracing dissolved organic substances and nutrients from the Lena River through Laptev Sea (Arctic) ,

Marine Chemistry, 65 , pp. 25-39 .

hdl:10013/epic.12218

Article

Lara, R. J. , Rachold, V. , Kattner, G. , Hubberten, H. W. , Guggenberger, G. , Skoog, A. and Thomas, D. N. (1998)
Dissolved organic matter and nutrients in the Lena River, Siberian Arctic: characteristics and distribution ,

Marine Chemistry, 59 , pp. 301-309 .

hdl:10013/epic.12497

Article

Lara, R. J. , Hubberten, U. , Thomas, D. N. , Baumann, M. E. M. and Kattner, G. (1997)
Dissolved organic matter studies in enclosed systems: Application of hydrophobic fractionation for the assessment of organic nitrogen dynamics ,

Journal of Marine Systems, 13 , pp. 155-161 .

hdl:10013/epic.12496

Conference -Conference paper

Lara, R. J. , Hubberten, U. , Thomas, D. N. and Kattner, G. (1996)
Humic substances research in polar waters ,

Humic substances and organic matter in soil and water environments characterization, transformations and interactions Proc of the 7th Meeting of the IHSS ( C E Clapp, M H B Hayes, N Senesi, S Griffith, eds ) .

hdl:10013/epic.12495

Article

Thomas, D. N. , Lara, R. J. , Eicken, H. , Kattner, G. and Skoog, A. (1995)
Dissolved organic matter in Arctic multi-year sea ice during winter: major components and relationship to ice characteristics ,

Polar Biology, 15 , pp. 477-483 .

hdl:10013/epic.13714

Article

Lara, R. J. , Asteasuain, A. , Rusansky, C. and Asteasuain, R. (1995)
Distribution of petroleum hydrocarbons in waters of the Bah a Blanca Bay, Argentina ,

Mar Poll Bull, 30 , pp. 281-283 .

hdl:10013/epic.12493

Article

Lara, R. J. and Thomas, D. N. (1995)
Formation of recalcitrant organic matter humification dynamics of algal derived dissolved organic carbon and its hydrophobic fractions ,

Mar Chem, 51 , pp. 193-199 .

hdl:10013/epic.12494

Article

Thomas, D. N. and Lara, R. J. (1995)
Photodegradation of algal derived dissolved organic carbon ,

Mar Ecol Prog Ser, 116 , pp. 309-310 .

hdl:10013/epic.13713

Article

Hubberten, U. , Lara, R. J. and Kattner, G. (1995)
Refractory organic compounds in polar waters: Relationship between humic substances and amino acids in the Arctic and Antarctic ,

Journal of Marine Research, 53 , pp. 137-149 .

hdl:10013/epic.12036

Article

Hubberten, U. , Lara, R. J. and Kattner, G. (1994)
Amino acid composition of seawater and dissolved humic substances in the Greenland Sea ,

Marine Chemistry, 45 , pp. 121-128 .

hdl:10013/epic.12033

Article

Lara, R. J. and Kattner, G. (1994)
Humic substances in the nitrogen cycle of polar waters: A comparison between the Arctic and Antarctic ,

Humic substances in the global environment and implications on human health (N Senesi, T M Miano, eds ) Elsevier, Amsterdam, pp. 799-804 .

hdl:10013/epic.12489

Article

Lara, R. J. and Thomas, D. N. (1994)
Isolation of marine dissolved organic matter Evaluation of sequential combinations of XAD resins 2, 4, and 7 ,

Anal Chem, 66 (14), pp. 2417-2419 .

hdl:10013/epic.12491

Article

Lara, R. J. and Thomas, D. N. (1994)
XAD-fractionation of new dissolved organic matter is the hydrophobic fraction seriously underestimated? ,

Mar Chem, 47 , pp. 93-96 .

hdl:10013/epic.12492

Article

Lara, R. J. , Hubberten, U. and Kattner, G. (1993)
Contribution of humic substances to the dissolved nitrogen pool in the Greenland Sea ,

Marine Chemistry, 41 , pp. 327-336 .

hdl:10013/epic.12488

Article

Lara, R. J. , Wiencke, C. and Ernst, W. (1989)
Association between exudates of brown algae and polychlorinated biphenyls ,

Journal of applied phycology, 1 , pp. 267-270 .

hdl:10013/epic.12483