Results 101 to 110 of about 2,578 (206)

Pollination Syndromes in Mediterranean Orchids—Implications for Speciation, Taxonomy and Conservation [PDF]

open access: yes, 2018
The Mediterranean flora is spectacularly rich in orchid species that have evolved remarkable adaptations to their environment. Orchids have complex and delicate interactions with their pollinators, which makes them particularly prone to local extinction.
Cozzolino, Salvatore   +2 more
core  

Challenges for research in educational policy: reflections on models and approaches

open access: yesRevista de estudios teóricos y epistemológicos en política educativa, 2016
Ongoing educational reforms carried out in Brazil and in other countries of Latin America and the Caribbean, with emphasis on the policies defined for the sector, have been widely debated in the Brazilian educational literature.
Laélia Portela Moreira
doaj  

Orphans and other vulnerable children : what role for social protection ? [PDF]

open access: yes
Recent estimates have provided unprecedented numbers of orphans, and vulnerable children, either brought about because of the HIV/AIDS epidemic, or carriers themselves of HIV infections, a relentless growth which has precipitated a multifaceted care ...
Assefaw Tekeste Ghebrekidan   +26 more
core  

Levantamento de Bromeliaceas aos redores do campus UFSC Curitibanos [PDF]

open access: yes, 2013
Projeto acadêmico (graduação) - Universidade Federal de Santa Catarina. Campus Curitibanos. Ciências Rurais.Este projeto busca realizar um levantamento de espécies nativas da família Bromeliaceae na área de 24 hectares que rodeia o prédio do Campus UFSC ...
Silva, Kalinka Françoise da
core  

NMFS / Interagency Working Group Evaluation of CITES Criteria and Guidelines. [PDF]

open access: yes, 2002
EXECUTIVE SUMMARY: At present, the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) criteria used to assess whether a population qualifies for inclusion in the CITES Appendices relate to (A) size of the population,
Bruckner, Andy W.   +12 more
core  

Laelia caulescens [PDF]

open access: yesBulletin of Miscellaneous Information (Royal Gardens, Kew), 1913
openaire   +1 more source

The third way: spermcast mating in sessile marine invertebrates [PDF]

open access: yes, 2016
Marine invertebrates belonging to a broad range of taxa disperse aquatic spermatozoa to fertilize eggs that are retained rather than spawned. We outline the occurrence of this mechanism, which we refer to as spermcast mating, and identify tentative ...
Bishop, J. D. D., Pemberton, A. J.
core  

Efeito de concentrações de sacarose e de meio de cultura (8s) sobre a taxa de crescimento de e mandioca cultivar olho roxo (bgm 0036) conservadas in vitro. [PDF]

open access: yes, 2011
A mandioca é uma cultura de grande na alimentação humana e animal, sendo que esta pode ser cultivada em várias regiões do país. Com o advento do melhoramento, diferentes cultivares foram desenvolvidas e, com isso, há uma necessidade tanto de manutenção ...
ALVES, K. A.   +7 more
core  

Home - About - Disclaimer - Privacy