203,202 research outputs found
[Letter from E. M. Connell to T. N. Carswell - March 27, 1941]
A letter written to Mr. T. N. Carswell, Abilene, Texas, from E. M. Connell, Superintendent, Anson Public Schools, Anson, Texas, dated March 27, 1941. Connell expresses his appreciation to Carswell that he is to speak to the student body of the Anson High School advising that the program committee has requested that he discuss "Our Part in the National Defense"
2020 Utah Two Spirit Pow Wow, Clyde Hall and Connell O\u27Donovan
Color photograph of Clyde M. Hall & Connell O\u27Donovan at the 2020 Utah Two Spirit Pow Wo
The loss of natural habitats and the addition of artificial substrata
Laura Airoldi, Sean D. Connell and Michael W. Bec
Correspondence between Richard Connell and Bert Curtis
Connell thanks Curtis for all of his work with the Dworshak Dam ; Curtis wishes Connell well in his future project
Janzen-Connell patterns are not the result of Janzen-Connell process: Oak recruitment in temperate forests
International audienceAccording to the Janzen-Connell hypothesis, seedling mortality is greater close to conspecific (or closely related) adult trees because of higher enemy pressure, ultimately increasing local tree-species diversity. However, this pattern (i.e. a decline of seedling performance close to conspecific or closely related adults) could also result from other processes: (1) heterospecific adults might positively affect seedlings; (2) conspecific (or closely related) adults might negatively affect seedlings by causing a deterioration of the microenvironment. We tested these hypotheses, accounting also for sizes of adults. We planted oak-seedlings in a temperate forest, characterized their adult neighbourhoods, measured 26 microenvironmental conditions, seedling mortality during one year, budburst and leaf herbivory. We detected Janzen-Connell-like patterns (frequent lack of budburst close to conspecific adults; high seedling mortality close to closely related adults) that were consistent with the Janzen-Connell process. However, these patterns were either counteracted by non-Janzen-Connell processes such as a favourable microenvironment or were weak with little explained variance. We detected Janzen-Connell-like patterns that were not consistent with the Janzen-Connell process: proximity to heterospecific adults per se decreased leaf herbivory partly due to microenvironmental effects, such that a lower leaf herbivory decreased seedling mortality. Overall, the spatial pattern of tree recruitment may resemble that predicted by Janzen-Connell but result from different processes: notably heterospecific adults creating refuges from enemies, facilitating the establishment of oaks below non-oaks without hindering their establishment below oaks
Marriage record of Harding, Thomas and Connell, M. Inez
Marriage license for Thomas Harding and M. Inez Connell. I.M. Auld was the officiant
Connell Rainforest Plot Network: Subtropical Rainforest Tree Demographic Data, O’Reilly’s Plot, Lamington National Park, Queensland, Australia, 2017
This rainforest tree demographic data package comprises recruitment, growth and mortality census data for rainforest trees at the O'Reilly's Plot, Lamington National Park (84 km south of Brisbane), Queensland for 2017. The O’Reilly’s Plot consists of two 1.0 hectare plots spaced 600 m apart in sub-tropical rainforest, which have always been treated as a single unit for the purpose of analysis. Rainforest tree attributes recorded comprise the size (height or girth) of tagged and mapped, free-standing stems of shrub and tree species. Sampling has been undertaken at intervals of 1-6 years. This data package forms part of the collection of vegetation data undertaken at plots situated in both Lamington National Park and Davies Creek initiated by Professor Joseph H. Connell (University of California, Santa Barbara) in 1963. A synopsis of related data packages which have been collected as part of the Connell Rainforest Plot Network’s full program is provided at http://www.ltern.org.au/index.php/ltern-plot-networks/connell-rainforest
Draft of Book "Rainbow Letters: The Temerity to Believe"
Text document 338 page rough draft of The Rainbow Letters: The Temerity to Believe by Craig, Gary M. Mildred and Rebecca Watts with editors notes by Connell "Rocky O\u27Donova
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