Chromosome Number and Reproductive Attributes ForErigeron lemmonii(Asteraceae), A Cliff-Dwelling Endemic of Southeastern Arizona
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Habitat specificity of a threatened and endemic, cliff-dwelling halophyte
Coastal areas and other saline environments are major contributors to regional and global biodiversity patterns. In these environments, rapidly changing gradients require highly specialized plants like halophytes. In European coastal cliff-tops, rocky and sandy seashores, and saltmarshes, typical halophytes from the genus Limonium are commonly found. Among them, the aneuploid tetraploid (2n = 4...
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In animals that breed cooperatively, adult individuals will sometimes delay reproduction to act as helpers at the nest who raise young that are not their genetic offspring. It has been proposed that humans are also a cooperatively breeding species because older daughters, grandmothers, and other kin and nonkin may provide significant childcare. Through a prospective cohort study of children's (...
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Reproductive Health Arizona (RHAZ) is a project at Arizona State University. It records the history of reproductive health, medicine, and biology in Arizona. Arizona has a unique history with reproductive health, and that history influences the state today. Arizonans can use historical stories to inform their understanding of Arizona's present and future with reproductive health and medicine, a...
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A series of experiments were conducted in 2003 in the Upper Gila River Valley in Safford, AZ to evaluate several different formulations of the plant growth regulator (PGR) Pix manufactured by BASF. Two experiments were conducted at the Safford Agricultural Center (SAC) while the third was conducted on a grower-cooperator field in the same valley. Experiments conducted at SAC involved evaluating...
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ژورنال
عنوان ژورنال: Madroño
سال: 2014
ISSN: 0024-9637,1943-6297
DOI: 10.3120/0024-9637-61.1.9