منابع مشابه
Longevity of the Brazilian underground tree Jacaranda decurrens Cham.
Underground trees are a rare clonal growth form. In this survey we describe the branching pattern and estimate the age of the underground tree Jacaranda decurrens Cham. (Bignoniaceae), an endangered species from the Brazilian Cerrado, with a crown diameter of 22 meters. The mean age calculated for the individual was 3,801 years, making it one of the oldest known living Neotropical plants.
متن کاملDemographic spatial genetic structure of the Neotropical tree, Jacaranda copaia.
We used genotypes from six microsatellite loci and demographic data from a large mapped forest plot to study changes in spatial genetic structure across demographic stages, from seed rain to seedlings, juveniles, and adult diameter classes in the Neotropical tree, Jacaranda copaia. In pairwise comparisons of genetic differentiation among demographic classes, only seedlings were significantly di...
متن کاملGoing Digital in Rural America
These simple thoughts—pros and cons—provide few guidelines for rural residents or policymakers. More useful is the distinction made by Mikel Landabaso, whose perspective on the development of lessdeveloped regions groups requirements for development into those that are necessary and those that are sufficient. The necessary conditions are basic physical infrastructure and human resources with a ...
متن کاملThomas Hardy's Under the Greenwood Tree : An Althusserian Perspective
With the beginning of the 19th century, England entered into a transitional period. Sociologists believe that in each era of transformation, the ruling class tries to establish its own values, but some resistance to these new values is inevitable. Thomas Hardy's novels in general, and Under the Greenwood Tree specifically, are no exception. Based on these notions, this paper tries to interpret ...
متن کاملGoing beyond sentences when applying tree kernels
We go beyond the level of individual sentences applying parse tree kernels to paragraphs. We build a set of extended trees for a paragraph of text from the individual parse trees for sentences and learn short texts such as search results and social profile postings to take advantage of additional discourse-related information. Extension is based on coreferences and rhetoric structure relations ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Anthropology and Humanism
سال: 2001
ISSN: 1559-9167,1548-1409
DOI: 10.1525/ahu.2001.26.1.80