Results 111 to 120 of about 8,251 (202)

Flore d'Afrique centrale - Spermatophyta - Ulmaceae

open access: yes, 1948
PDF version of treatment of Ulmaceae in Flore d'Afrique centrale ...
openaire   +1 more source

Pollen record and paleoenvironment of a 4210 years B.P.old sediment in the Bay of Guanabara, Rio de Janeiro, Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2004
Pollen analysis of a sediment sample obtained at 222 cm from the top of a drilling core collected in the Bay of Guanabara, Rio de Janeiro, was used as a tool to obtain more knowledge about pre-historical human living and environment.
Barth Ortrud M.   +3 more
doaj  

THE ECOLOGY OF MUTUALISM [PDF]

open access: yes, 1982
Elementary ecology texts tell us that organisms interact in three fundamen­ tal ways, generally given the names competition, predation, and mutualism. The third member has gotten short shrift (264), and even its name is not generally agreed on.
Boucher, Douglas H.   +2 more
core   +1 more source

Observaciones sobre el daño y plantas hospedantes de Abyarachryson signaticolle (Blanchard) (Coleoptera: Cerambycidae) en Chile central

open access: yesRevista Chilena de Entomología, 2018
Resumen. Se describe el daño causado por Abyarachryson signaticolle (Blanchard, 1851), en ramas secas de “encino” (Quercus robur L., Fagaceae) y “olmo” (Ulmus sp., Ulmaceae) en el sector urbano de la ciudad de Santiago, Región Metropolitana de Santiago ...
Douglas Jackson
doaj  

Intoxicação experimental por Trema micrantha (Ulmaceae) em caprinos

open access: yesPesquisa Veterinária Brasileira, 2002
Sete caprinos receberam, por sonda esofágica, uma suspensão aquosa de folhas verdes de Trema micrantha moídas e um outro recebeu folhas verdes da planta à vontade. Os sinais clínicos iniciaram-se 2 dias após a ingestão e ocorreram em seis caprinos, cinco
Traverso Sandra Davi   +5 more
doaj  

Ancient DNA reconstruction of late holocene ecosystems within the Carpathian basin from paleo-meanders and archaeological deposits. [PDF]

open access: yesSci Rep
Zampirolo G   +8 more
europepmc   +1 more source

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