Christa Marie Horn

Christa Marie Horn
San Diego Zoo · Institute for Conservation Research

Earth Systems, M.Sc.

About

11
Publications
5,098
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375
Citations
Citations since 2016
4 Research Items
286 Citations
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201620172018201920202021202201020304050
201620172018201920202021202201020304050
201620172018201920202021202201020304050

Publications

Publications (11)
Article
Full-text available
Societal Impact Statement Fruit number, size, and allometric relationships were evaluated in the Peruvian Amazon for Mauritia flexuosa, a socioeconomically important palm with conservation concerns due to destructive harvest. Significant relationships were found between total fruit number and both palm height and fruit volume. Taller palms experien...
Article
In the Amazon Basin, some non-timber forest products (NTFPs), such as the ecologically and economically important palm Mauritia flexuosa, are extracted intensively and across large areas – the ecological effect of which is unclear. In this study, we sought to better understand the scale and scope of M. flexuosa fruit harvest in the Peruvian Amazon,...
Article
Full-text available
These data are the foundation of the analyses and results published in the article “Spatio-temporal patterns of Mauritia flexuosa fruit extraction in the Peruvian Amazon: Implications for conservation and sustainability” (Horn et al., 2018) [1]. Here we include data on the volume of M. flexuosa fruit arriving in the city of Iquitos, Peru from the s...
Article
Full-text available
Mauritia flexuosa is a key ecological and economic palm found throughout tropical South America. To inform improved management of M. flexuosa, we conducted a systematic review of published information about the ecology, livelihoods, and management of M. flexuosa, synthesized the information and identified knowledge gaps, and analyzed the spatial di...
Article
Full-text available
In this study, we evaluate the effects of traditional management of Brahea aculeata (Arecaceae) on certain functional (total, production and size of leaves) and demographic (mortality, growth and reproduction) attributes in a tropical dry forest in southern Sonora, Mexico. The leaves of this species are used for roofing houses and handcrafts. Also,...
Article
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Swamp forests dominated by the dioecious palm, Mauritia flexuosa, cover vast areas of the Amazon Basin and are poorly studied despite their recognized ecological and economic importance. This knowl-edge gap confounds current conservation and management efforts. In this study, we documented over-story structure and composition of M. flexuosa palm sw...
Article
Full-text available
Background: Fruit from the palm Mauritia flexuosa (aguaje) is harvested throughout the Peruvian Amazon for subsistence and commercial purposes. Recent estimates suggest that residents of Iquitos, the largest city in the region, consume approximately 148.8 metric tons of aguaje fruit per month, the vast majority of which is harvested by felling and...
Article
a b s t r a c t In this study, we sought to better understand the social, economic, and ecological factors influencing the development of sustainable management practices for Mauritia flexuosa (aguaje) in two Maijuna indige-nous communities. Focus groups, semi-structured interviews and household surveys were conducted to document current and histor...
Article
Full-text available
Potential Management of Chamaedorea seifrizii (Palmae), a Non-timber Forest Product from the Tropical Forest of Calakmul, Southeast Mexico. Leaves and seeds of Chamaedorea (xate) palms are important non-timber forest products (NTFPs). In the Calakmul region (Yucatan Peninsula) of Mexico, several communities have sporadically collected and sold seed...
Article
Full-text available
We conducted a 4-year experiment to assess the impacts of rotational cattle grazing on rodents and rap- tors in a mesic coastal grassland in northwestern California. Live-trapping indicated that rodent abundance declined by 69% on the grazed area and increased by 14% on the ungrazed area. Raptor use of the grazed area declined by 15% and increased...

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