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- Publications
- Influence
Production and turnover of N2 fixing nodules in relation to foliage development in periodically pruned Erythrina poeppigiana (Leguminosae) trees
- P. Nygren, C. Ramirez
- Biology
- 1 May 1995
Abstract Many multi-purpose leguminous trees are managed by means of periodic prunings. A study on the dynamics of N 2 fixing nodules in five sources of the neotropical agroforestry tree species… Expand
Sulfur degassing at Erta Ale (Ethiopia) and Masaya (Nicaragua) volcanoes: Implications for degassing processes and oxygen fugacities of basaltic systems†
- J. M. Moor, T. Fischer, +11 authors Katherine A. Kelley
- Geology
- 1 October 2013
[1] We investigate the relationship between sulfur and oxygen fugacity at Erta Ale and Masaya volcanoes. Oxygen fugacity was assessed utilizing Fe3+/∑Fe and major element compositions measured in… Expand
Cover of tall trees best predicts California spotted owl habitat
- M. P. North, J. T. Kane, +16 authors S. A. Whitmore
- Environmental Science
- 1 December 2017
Abstract Restoration of western dry forests in the USA often focuses on reducing fuel loads. In the range of the spotted owl, these treatments may reduce canopy cover and tree density, which could… Expand
Organic matter and wetting capacity distribution in aggregates of Chilean soils
- A. Ellies, C. Ramirez, R. M. Donald
- Materials Science
- 2005
Abstract The wetting capacity of Hapludands and Palehumults under grassland and forest in southern Chile was assessed by measuring contact angles of solid, water and air interfaces. Microaggregates… Expand
Estructura florística de los bosques pantanosos de Chile Sur-Central
- C. Ramirez, C. Martín, J. S. Martín, J. Armesto, Carolina Villagrán, M. K. Arroyo
- Geography
- 1996
- 19
- 3
La conductividad hidráulica en fase saturada como herramienta para el diagnóstico de la estructura del suelo
- A. Ellies, R. Grez, C. Ramirez
- Environmental Science
- 1 June 1997
Burned forest characterization at single-tree level with airborne laser scanning for assessing wildlife habitat
- Á. Casas, Mariano García, R. B. Siegel, A. Koltunov, C. Ramirez, S. L. Ustin
- Environmental Science
- 15 March 2016
Abstract Abundance, size, and spatial distribution of standing dead trees (snags), are key indicators of forest biodiversity and ecosystem health. These metrics represent critical habitat components… Expand
Unprecedented remote sensing data over King and Rim megafires in the Sierra Nevada Mountains of California.
- E. N. Stavros, Z. Tane, +5 authors D. Schimel
- Environmental Science, Medicine
- Ecology
- 1 November 2016
Megafires have lasting social, ecological, and economic impacts and are increasing in the western contiguous United States. Because of their infrequent nature, there is a limited sample of megafires… Expand
Estudio sinecológico del bosque de roble-laurel-lingue del centro-sur de Chile
- C. Martín, C. Ramirez, H. Figueroa, Nelso N Ojeda
- Geography
- 1991
SUMMARY The mixed partially deciduous roble-laurel-lingue forest (Nothofago-Perseetum linguae) covered the Intermediate Depression in south-central Chile between the cities of Victoria and Puerto… Expand
Why l1 Is a Good Approximation to l0: A Geometric Explanation
- C. Ramirez, V. Kreinovich, M. Argáez
- Mathematics
- 30 July 2013
In practice, we usually have partial information; as a result, we have several dierent possibilities consistent with the given measurements and the given knowledge. For example, in geosciences,… Expand
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