Results 61 to 70 of about 6,590 (194)

The Fossil higher plants from the Canal Zone [PDF]

open access: yes, 1918
Fossil flora described in the present report is too limited for purposes of exact correlation, which may be expected to be settled by the marine faunas present at most horizons in the Isthmian region.
Berry, Edward W.
core  

Análise quimiossistemática da família Myristicaceae: a via mista (acetato/chiquimato) [PDF]

open access: yesQuímica Nova
CHEMOSYSTEMATIC ANALYSIS OF THE MYRISTICACEAE FAMILY: THE MIXED PATHWAY (ACETATE/SHIKIMATE). The Myristicaceae family, belonging to the order Magnoliales, comprises of 21 genera and 1144 species distributed in the Americas, Africa and Asia.
Raquel M. de S. N. Sampaio   +4 more
doaj   +1 more source

Hutan Gambut Suaka Margasatwa Giam Siak Kecil Dan Hutan Gambut PT Arara Abadi – Popinsi Riau; Vegetasi Dan Kerusakannya [PDF]

open access: yes, 2016
This study aims to determine state of plant vegetation stands within of damage level at the Giam Siak Kecil wildlife sanctuary (Tasik Betung area) and Conservation Forest PT Arara Abadi (Bukit Batu area) - Riau.
Sadili, A. (Asep)
core  

The Variety of Forest Vegetations in Southeastern Cameroon,with Special Reference to the Av ailability of Wild Yams for the Forest Hunter-Gatherers [PDF]

open access: yes, 2009
Annually reproducing wild yam species (Dioscorea praehensilis and D. semperflorens) are considered to be the most important food for hunter-gatherer subsistence in terms of energy sources in the central African rainforests.
YASUOKA, Hirokazu
core   +1 more source

Niche conservatism and sympatric parallel evolution may help to maintain eight nascent tree taxa along a sharp elevation gradient

open access: yesFunctional Ecology, Volume 39, Issue 9, Page 2465-2480, September 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Patterns of niche partitioning among closely related taxa, such as those in incipient adaptive radiations, can provide clues into how niches are created, partitioned, and integrated over ecological and evolutionary time scales. Hawaiian Metrosideros is a ~3‐MYO adaptive
Elizabeth A. Stacy, Rebecca Ostertag
wiley   +1 more source

Reabilitação nomenclatural e taxonômica de Virola bicuhyba (Schott) Warb. (Myristicaceae) Nomenclatural and taxonomic rehahilitation of Virola bicuhyba (Schott) Warb. (Myristicaceae)

open access: yesActa Botânica Brasílica, 1998
Esta nota trata da reabilitação da Miristicácea Virola bicuhyba (Schott) Warb., designação de lectótipo e sinonimização tanto de Virola oleífera (Schott) A.C. Smith como de Bicuiba oleífera (Schott) de Wilde.This note deals with thc rehabilitation of the
William A Rodrigues
doaj   +1 more source

Legacy of the Lost and Pressure of the Present: Malagasy Plant Seeds Retain Megafauna Dispersal Signatures but Downsize Under Human Pressure

open access: yesEcology Letters, Volume 28, Issue 9, September 2025.
Using structural equation models, we show that Malagasy assemblages with higher human pressure have smaller maximum seed sizes, especially through downsizing of extant frugivores. Furthermore, among assemblages with ‘mega‐seeded’ plants (i.e., seeds that cannot be swallowed by any extant Malagasy frugivore), larger seed sizes are associated with larger
Yuanshu Pu   +2 more
wiley   +1 more source

Principais espécies arbóreas hospedeiras de cipó-titica (Heteropsis flexuosa) em Rondônia. [PDF]

open access: yes, 2011
O objetivo deste trabalho foi identificar as principais espécies arbóreas hospedeiras de cipó titica (Heteropsis flexuosa) em Floresta Ombrófila Aberta como base para o manejo e conservação da espécie.bitstream/CPAF-RO-2009-09/12383/1/ct96_cipo-titica ...
BENTES-GAMA, M. de M.   +3 more
core  

Conservation Challenges for Endemic Vascular Plants: Exploring Large‐Scale Patterns in Climate‐Driven Distribution and Distinctive Functional Traits

open access: yesEcology and Evolution, Volume 15, Issue 8, August 2025.
The study examines conservation challenges for endemic vascular plants globally by analyzing their distribution patterns and traits that influence resilience, survival, and regeneration under changing environmental conditions. Alarmingly, 58% of endemic vascular plant taxa with conservation assessments are designated as extinct or threatened, three ...
Udayangani Liu   +2 more
wiley   +1 more source

Revisión taxonómica de la familia Myristicaceae de la selva central, Oxapampa-Perú

open access: yesIntropica, 2010
La riqueza de los bosques tropicales peruanos es inmensa considerando la gran diversidad de microclimas y superficies, lo cual hace que la selva central de nuestro país sea un lugar bastante interesante y peculiar, como es el caso de la Selva Central de ...
Marisabel Ureta Adrianzén
doaj  

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