Results 51 to 60 of about 443,858 (159)

Methods for overcoming dormancy in Stryphnodendron pulcherrimum seeds

open access: yesPesquisa Florestal Brasileira, 2016
Seed dormancy is a phenomenon observed in several tropical species. This condition causes low and non-uniform germination. The present study was designed to identify an efficient method of breaking seed dormancy in Stryphnodendron pulcherrimum.
Adriano Gonçalves Pereira   +2 more
doaj   +1 more source

Comparative analysis of the whole mitochondrial genomes of four species in sect. Chrysantha (Camellia L.), endemic taxa in China

open access: yesBMC Plant Biology
Background The sect. Chrysantha Chang of plants with yellow flowers of Camellia species as the “Queen of the Tea Family”, most of these species are narrowly distributed endemics of China and are currently listed Grde-II in National Key Protected Wild ...
Zhi Li   +6 more
doaj   +1 more source

Phytotoxitic activity of Apeiba tibourbou Aubl. and Curatella americana L. aqueousextracts on seed germination of Lactuca sativa L. [PDF]

open access: yesHoehnea
Allelochemicals have been used as an alternative to pesticides and inhibit the action of pathogens or stimulating the growth of other plants. This study aimed to analyze the phytotoxic potential of the species Apeiba tibourbou Aubl.
Ana Cecilia Marques de Carvalho Santos   +3 more
doaj   +1 more source

The Study of Exotic and Invasive Plant Species in Gullele Botanic Garden, Addis Ababa, Ethiopia

open access: yesJournal of Zoological and Botanical Gardens
The Gullele Botanic Garden was established to preserve and safeguard indigenous, rare, endemic, endangered, and economically important plant species. The objective of this study was to identify and map the exotic, invasive, and potentially invasive plant
Mehari Girmay   +4 more
doaj   +1 more source

Design and Validation of a Single‐Species Environmental DNA qPCR Assay for the Detection of the Invasive Chinese Mitten Crab Eriocheir sinensis

open access: yesEnvironmental DNA
Biological invasions are a leading driver of biodiversity loss and generate significant economic costs, either through direct impact on native ecosystems or through repairs and remediation.
Lauren S. J. Cook   +6 more
doaj   +1 more source

The longitudinal gradient prevails over local characteristics in shaping fish species distributions in a large neotropical reservoir

open access: yesWater Biology and Security
In large reservoirs, spatial gradients are the primary drivers of fish species distributions. However, local characteristics can also influence fish distributions and assemblage structure.
Rosalva Sulzbacher   +5 more
doaj   +1 more source

The Natural Ambiguity of Native Species

open access: yesUnderCurrents: Journal of Critical Environmental Studies, 2004
Mainstream ecological wisdom suggests that native species are essential to the preservation and promotion of ecological health or integrity: they are often deemed to be the ‘natural’, ‘authentic’ and ‘original’ occupants of particular habitats. Philosophically and pragmatically, they are generally considered crucial to biodiversity at scales ranging ...
openaire   +1 more source

Patterns in the Use of a Restored California Floodplain by Native and Alien Fishes

open access: yesSan Francisco Estuary and Watershed Science, 2007
Fishes were sampled on the restored floodplain of the Cosumnes River in Central California in order to determine patterns of floodplain use. The floodplain was sampled for seven years (1998-2002, 2004-2005) during the winter-spring flooding season.
Peter B Moyle   +2 more
doaj  

Trypanosome diversity in small mammals in Uganda and the spread of Trypanosoma lewisi to native species. [PDF]

open access: yesParasitol Res, 2023
Babyesiza WS   +8 more
europepmc   +1 more source

Enviroscaping to Conserve Energy: Trees for South Florida

open access: yesEDIS, 2013
Landscape plants can improve the appearance of our surroundings and modify the extremes of local climate (microclimate modification). Plants provide shade, insulate the home from heat loss or gain, and cool the air that surrounds their leaves through ...
Timothy K. Broschat   +2 more
doaj  

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