Results 91 to 100 of about 1,544 (224)

Leaf dimorphism of Microgramma squamulosa (Polypodiaceae): a qualitative and quantitative analysis focusing on adaptations to epiphytism

open access: yesRevista de Biología Tropical, 2013
The epiphytic fern Microgramma squamulosa occurs in the Neotropics and shows dimorphic sterile and fertile leaves. The present study aimed to describe and compare qualitatively and quantitatively macroscopic and microscopic structural characteristics of ...
Ledyane Dalgallo Rocha   +3 more
doaj   +2 more sources

Esporófito de Huperzia mandiocana (Raddi) Trevisan (Lycopodiaceae): morfoanatomia e ontogênese [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pos-Graduação em Biologia Vegetal, Florianópolis, 2009.Lycopodiaceae inclui quatro gêneros, Huperzia distingüe-se dos outros três gêneros por ...
Kessler, Eduardo
core  

Radicular anatomy of twelve representatives of the Catasetinae subtribe (Orchidaceae: Cymbidieae)

open access: yesAnais da Academia Brasileira de Ciências, 2012
Considering that the root structure of the Brazilian genera belonging to the Catasetinae subtribe is poorly known, we describe the roots of twelve representatives from this subtribe.
Cristiano Pedroso-de-Moraes   +4 more
doaj  

Estimating exploitable stock biomass for the Maine green sea urchin (Strongylocentrotus droebachiensis) fishery using a spatial statistics approach [PDF]

open access: yes, 2005
The objective of this study was to investigate the spatial patterns in green sea urchin (Strongylocentrotus droebachiensis) density off the coast of Maine, using data from a fishery-independent survey program, to estimate the exploitable biomass of this
Chen, Yong   +2 more
core  

Studi Kelimpahan Gastropoda (Lambis Spp.) Pada Daerah Makroalga Di Pulau Pramuka, Kepulauan Seribu [PDF]

open access: yes, 2012
The study was conducted on April 2012 at Pramuka Island, Seribu Island, Jakarta. The sampling technique used purposive sampling method means that as the name suggests, the samples were taken with the intent or purpose.
Rizkya, S. (Sahila)
core  

Functional morphology of two Lepismium species (Rhipsalideae, Cactaceae) Morfología funcional de dos especies de Lepismium (Rhipsalideae, Cactaceae)

open access: yesRevista Mexicana de Biodiversidad, 2010
The morphology and anatomy of stem segments of 2 species of Lepismium (Cactaceae), which grow naturally in the Araucaria forest understory, in the state of Paraná, Brazil, are compared.
María Regina Torres-Boeger   +5 more
doaj  

Farming seaweeds at SEAFDEC/AQD [PDF]

open access: yes, 1995
The article presents the practices that have been developed or documented by SEAFDEC Aquaculture Department for farming seaweeds. These practices are: the cage culture of Kappaphycus, and the ‘rice planting’ method for cultivating Gracilaria. The seaweed

core  

EPIPHYTIC LICHEN [PDF]

open access: yesBulletin of the Ecological Society of America, 2006
S. Werth   +6 more
openaire   +1 more source

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