Results 91 to 100 of about 1,956 (213)

ГЕРМЕНАЛЬНАЯ СТАДИЯ ОНТОГЕНЕЗА PINUS SYLVESTRIS L., PICEA OBOVATA LEDEB. И LARIX SIBIRICA LEDEB. НА РАЗЛИЧНЫХ ПОЧВАХ [PDF]

open access: yes, 2017
В условиях контролируемого лабораторного эксперимента изучено влияние бурых горно-лесных и дерново-палево-подзолистых почв различных типов южно-таежных лесов Зауральской холмисто-предгорной провинции и их антропогенных вариантов – вырубок, на линейные ...
Ермакова, М.В.   +1 more
core  

Algae Diversity and Ecology during a Summer Assessment of Water Quality in the Abraham Lincoln Birthplace National Historical Park, USA

open access: yesDiversity, 2019
There were 88 species of algae and cyanobacteria observed from seven sites in the Abraham Lincoln Birthplace National Historical Park (Hodgenville, Kentucky, USA). This was the first algal investigation study in the park. There were 21 samples collected,
Sophia Barinova, Thomas Smith
doaj   +1 more source

Fresh matter production by two forms of Oxalis latifolia as influenced by soil and climate [PDF]

open access: yes, 2012
Oxalis latifolia is a widely distributed weed that mainly affects corn fields, orchards, plant nurseries and gardens. Two forms of the weed have been identified: the common form, with fish-tailed leaflets, bulbils growing on stolons and dark pink ...
López Fernández, María Luisa   +1 more
core   +3 more sources

Northerly Distribution of White Sharks, Carcharodon carcharias, in the Eastern Pacific and Relation to ENSO Events [PDF]

open access: yes, 2004
Twenty-nine verified records of white sharks, Carcharodon carcharias, from British Columbia and Alaska waters (1961–2004) are presented. Record locations ranged from lat. 48°48ʹN to lat.
Martin, R. Aidan
core  

Identifying environmental drivers of fungal non-pollen palynomorphs in the montane forest of the eastern Andean flank, Ecuador [PDF]

open access: yes, 2017
Samples taken from sedimentary archives indicate that fungal non-pollen palynomorphs (NPPs) can be used to provide information on forest cover, fire regime, and depositional environment in the eastern Andean flank montane forest of Ecuador. Within the 52
Gosling, William D.   +2 more
core   +5 more sources

Els gèneres Althenia Petit i Zannichellia L. (Zannichelliaceae) a les illes Balears [PDF]

open access: yes, 2003
Es fa una revisió dels gèneres Althenia Petit i Zannichellia L. (Zannichelliaceae) a les Illes Balears. Per a cada una de les espècies s'aporta una descripció a partir del material estudiat i es donen a conèixer la seva ecologia i distribució.
Fraga, Pere, Sáez, Llorenç
core   +1 more source

Oribatid assemblies of tropical high mountains on some points of the “Gondwana-Bridge” – a case study [PDF]

open access: yes, 2008
This work is the first part of a series of studies, which introduces the methodological possibilities of coenological and zoogeographical indication and – following the climate, vegetation and elevation zones – the pattern-describing analysis of the main
Balogh, P.   +5 more
core  

Phenology of four tree species in an Atlantic Forest fragment in Southern Minas Gerais

open access: yesRevista Agrogeoambiental
Periodic behaviors in plants are biological events that determine the successful development and reproduction of individuals of plant species and can be investigated through phenological studies. In this context, a phenological study of the tree species
Nathan Felipe Alves   +1 more
doaj   +1 more source

Anatomia da madeira de Sebastiania commersoniana (Baillon) Smith & Downs (Euphorbiaceae): aspectos funcionais e ecológicos Wood anatomy of Sebastiania commersoniana (Baillon) Smith & Downs (Euphorbiaceae): functional and ecological aspects

open access: yesActa Botânica Brasílica, 2010
Sebastiania commersoniana é uma espécie arbórea bastante comum em ambientes aluviais, em diversas condições pedológicas, graças a sua plasticidade e capacidade de tolerar períodos de inundação.
Nelson Luiz Cosmo   +2 more
doaj   +1 more source

OPTIMOS PRIME: An R package for autoecological (optima and tolerance range) data calculation [PDF]

open access: yes, 2019
ABSTRACT Calculation of autoecological data, such as optima and tolerance ranges to environmental variables, can be useful to establish the distribution and abundance of the species.
Sathicq, Maria Belen   +2 more
openaire   +1 more source

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