Nitrogen exports at multiple-scales in a southern Chilean watershed (Patagonian Lakes district)

Biogeochemistry

Volumn 87, Issue 3, 2008, Pages 297-309

  Little, Christian ^a,b   Soto, Doris ^b,c   Lara, Antonio ^a,b   Cuevas, Jaime G ^b,d  

^a UNIVERSIDAD AUSTRAL DE CHILE   (Chile)

^b Iniciativa Científica Milenio ^*  (Chile)

^c FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS   (Italy)

^d INSTITUTO DE INVESTIGACIONES AGROPECUARIAS   (Chile)

Author keywords

Catchment; DIN DON ratio; Land cover; Nitrogen export

Indexed keywords

ANTHROPOGENIC EFFECT; CATCHMENT; DISSOLVED INORGANIC NITROGEN; DISSOLVED ORGANIC NITROGEN; FOREST COVER; NITROGEN; PASTURE; RIVER WATER; SPATIAL VARIATION; WATERSHED;

ARIZONA; CHILE; NORTH AMERICA; SAN PEDRO RIVER; SOUTH AMERICA; UNITED STATES;

EID: 41149136541     PISSN: 01682563     EISSN: 1573515X     Source Type: Journal    
DOI: 10.1007/s10533-008-9185-8     Document Type: Article

References (40)

1. APHA, AWWA, WEF (1995) Standard methods for the examination of water and wastewater, 19th edn. American Public Health Association, Washington
2. Biggs T, Dunne T, Martinelli L (2004) Natural controls and human impacts on stream nutrient concentrations in a deforested region of the Brazilian Amazon basin. Biogeochemistry 68:227-257
3. Borie G, Peirano P, Zunino H, Aguilera S (2002) N-pool in volcanic ash-derived soil in Chile and its changes in deforested sites. Soil Biol Biochem 34:1204-1206
4. 3- export from flowing waters of vastly different sizes: does one model fit all? Ecosystems 6:344-352
5. Compton JE, Church MR, Larned ST, Hogsett WE (2003) Nitrogen export from forested watersheds in the Oregon Coast Range: the role of N2-fixing red alder. Ecosystems 6:773-785
6. CONAF, CONAMA, and BIRF (CORPORACIÓN NACIONAL FORESTAL, COMISIÓN NACIONAL DEL MEDIO AMBIENTE, and BANCO INTERAMERICANO DE RECONSTRUCCIÓN Y FOMENTO) (1999) Proyecto Catastro y evaluación de los recursos vegetacionales nativos de Chile. Informe regional Décima región, 137 pp
7. Cuevas J, Soto D, Arismendi I, Pino M, Lara A, Oyarzún C (2006) Relating land cover to stream properties in southern Chilean watersheds: trade-off between geographic scale, sample size, and explicative power. Biogeochemistry 81:313-329
8. Di Castri F, Hajek ER (1976) Bioclimatología de Chile. Vicerrectoría Académica de la Universidad Católica de Chile, Santiago, 160 pp
9. Donoso C (1981) Tipos forestales de los bosques nativos de Chile. Investigación y Desarrollo Forestal. Documento de trabajo N°38. FAO: DP/CH/76/0003, Santiago, 81 pp
10. Donoso C (1993) Bosques templados de Chile y Argentina. Variación, Estructura y Dinámica. Ecología Forestal. Editorial Universitaria, Santiago
11. Galloway J, Aber J, Erisman J, Seitzinger S, Howarth R, Cowling E, Cosby J (2003) The nitrogen cascade. Bioscience 53:341-356
12. Godoy R, Paulino L, Oyarzún C, Boeckx P (2003) Depositación atmosférica de nitrógeno en el centro y sur de Chile. Un resumen. Gayana Bot 1:47-53
13. Guevara S, Oyarzún J, Maturana H (2006) Geoquímica de las aguas del río Elqui y de sus tributarios en el período 1975-1995: factores naturales y efecto de las explotaciones mineras en sus contenidos de Fe, Cu y As. Agric Téc 66:57-69
14. Hedin L, Armesto J, Johnson A (1995) Patterns of nutrient loss from unpolluted, oldgrowth temperate forests: evaluation of biogeochemical theory. Ecology 76:493-509
15. Hood E, Mark W, Cain N (2003) Landscape controls on organics and inorganic nitrogen leaching across an Alpine/Subalpine Ecotone, Green Lakes Valley, Colorado Front Range. Ecosystems 6:31-45
16. Lara A, Solari M, Rutherford P, Thiers O, Trecaman R (1999) Cobertura de la vegetación original de la ecoregión de los bosques Valdivianos en Chile hacia 1550. Informe Técnico del Contrato No FB49. Proyecto WWF-Universidad Austral de Chile, Valdivia, 32 pp
17. Lara A, Wolodarsky-Franke A, Aravena J, Cortés M, Fraver S, Silla F (2003) Fire regimes and forest dynamics in the lake region of south-central Chile. In: Veblen T, Baker W, Montenegro G, Swetnam T (eds) Fire and climatic change in temperate ecosystems of the western Americas (ecological studies). Springer, Berlin, pp 322-342
18. Lara A, Reyes R, Urrutia R (2006) Bosques Nativos. In: Instituto de Asuntos Públicos, Universidad de Chile (eds) Informe País. Estado del Medio Ambiente en Chile 2006. Ediciones LOM Santiago, Santiago, pp 127-139
19. Laugenie C (1982) La région des Lacs, Chili meridional. Recherche sur l'évolution géomorphologique d'un piémont glaciaire quaternaire andin, vols. 2. Thése de Doctorat, Université de Bordeaux III, 810 pp
20. Likens G, Bormann F (1995) Biogeochemistry of a forested ecosystem. 2nd edn. Springer, New York, 159 pp
21. Lovett G, Weathers K, Sobczak W (2000) Nitrogen saturation and retention in forested watersheds of the Catskill mountains, New York. Ecol Appl 10:73-84
22. McClain M, Boyer E, Dent L, Gergel S, Grimm N, Groffman P, Hart S, Harvey J, Johnston C, Mayorga E, McDowell W, Pinay G (2003) Biogeochemical hot spots and hot moments at the interface of terrestrial and aquatic ecosystems. Ecosystems 6:301-312
23. Montgomery D, Buffington J (1998) Channel processes, classification and response, Chapter 2. In: Naiman R, Bilby R (eds) River ecology and management: lessons from the Pacific Coastal Ecoregion. Springer, New York, pp 13-42
24. Oyarzún C, Huber A (2003) Nitrogen export from forested and agricultural watersheds of southern Chile. Gayana Bot 60:63-68
25. Oyarzún C, Godoy R, De Schrijver A, Staelens J, Lust N (2004) Water chemistry and nutrient budgets in an undisturbed evergreen rainforest of southern Chile. Biogeochemistry 71:107-123
26. Perakis S, Hedin L (2001) Fluxes and fates of nitrogen in soil of an unpolluted old-growth temperate forest, southern Chile. Ecology 82:2245-2260
27. Perakis S, Hedin L (2002) Nitrogen loss from unpolluted South American forests mainly via dissolved organic compounds. Nature 415:416-419
28. Pérez C, Hedin L, Armesto J (1998) Nitrogen mineralization in two unpolluted old-growth forests of contrasting biodiversity and dynamics. Ecosystems 1:361-373
29. Pérez C, Carmona M, Armesto J (2003) Non-symbiotic nitrogen fixation, net nitrogen mineralization and denitrification in evergreen forests of Chiloé island, Chile: A comparison with other temperate forests. Gayana Bot 60:25-33
30. Pezoa L (2003) Recopilación y análisis de la variación de las temperaturas (período 1965-2001) y las precipitaciones (período 1931-2001) a partir de la información de estaciones meteorológicas de Chile entre los 33°y 53°de latitud Sur. Forestry Engineering Thesis, Universidad Austral de Chile, Valdivia
31. Sokal R, Rohlf F (1995) Biometry, 3rd edn. W.H. Freeman and Company, New York
32. Soto D, Campos H (1995) Los lagos oligotróficos del bosque templado húmedo del sur de Chile. In: Armesto J, Villagrán C, Arroyo MTK (eds) Ecología de los bosques nativos de Chile. Editorial Universitaria, Santiago, pp 317-334
33. Strayer D, Beighley R, Thompson L, Brooks S, Nilsson C, Pinay G, Naiman R (2003) Effects of land cover on stream ecosystems: roles of empirical models and scaling issues. Ecosystems 6:407-423
34. Tosso J (1985) Suelos volcánicos de Chile. Ministerio de Agricultura. 1a edición. Instituto de Investigaciones Agropecuarias (INIA), Santiago, 723 pp
35. Van Bremen N (2002) Natural organic tendency. Nature 415:381-382
36. Vitousek P, Aber J, Howarth R, Likens G, Matson P, Schindler D, Schlesinger W, Tilman G (1997) Human alteration of the global N cycle: causes and consequences. Issues Ecol 1:1-16
37. Weathers K, Likens G (1997) Clouds in southern Chile: an important source of nitrogen to nitrogen-limited ecosystems? Environ Sci Technol 31:210-213
38. Weathers K, Lovett G, Likens G, Caraco N (2000) Cloudwater inputs of nitrogen to forest ecosystems in southern Chile: forms, fluxes, and sources. Ecosystems 3:590-595
39. Woelfl S, Villalobos L, Parra O (2003) Trophic parameters and method validation in Lake Riñihue (North Patagonia: Chile) from 1978 through 1997. Rev Chil Hist Nat 76:459-474
40. Zahradnik P (1981) Methods for chemical analysis of inland waters. Lecture notes for the international graduate training course on limnology. Limnologishes Institut. Österreichische Akademie der Wissenschaften, Vienna, Leaflet, 44 pp