Results 121 to 130 of about 1,956 (213)

Autoecology of the Ruderal Weed Heterotheca grandiflora With Emphasis on Germination Dimorphism

open access: yes, 1977
Weedy species, as they occupy diverse and unpredictable environments, are expected to possess considerable variability in numerous characteristics, including germination. The visually dimorphic achenes of Heterotheca grandiflora Nutt. (Asteraceae) were tested for potentially adaptive differences in their germination, the establishment of the resulting ...
openaire   +2 more sources

Distribution of testate amoebae in bryophyte communities in São Miguel Island (Azores Archipelago). [PDF]

open access: yesBiodivers Data J, 2021
Souto MS   +3 more
europepmc   +1 more source

Hunting and migratory movements of white sharks in the eastern North Pacific [PDF]

open access: yes, 2003
The aim of these studies was to determine local movements of hunting white sharks (Carcharodon carcharias) near a seal rookery and global movements during migration.
Burney J. Le Boeuf
core   +1 more source

Feeding behavior of white sharks (Carcharodon carcharias) around a cage diving vessel and the implications for conservation [PDF]

open access: yes, 2014
Honors (Bachelor's)Ecology and Evolutionary BiologyUniversity of Michiganhttp://deepblue.lib.umich.edu/bitstream/2027.42/107779/1/bromilam ...
Bromilow, Mandy
core  

A Study on Autoecology and Ecophysiology of Chile Piquin (Capsicum annuum Aviculare Dierb), a Wild Chilli of High Medicinal and Commercial Value in Northeast Mexico

open access: yesInternational Journal of Bio-Resource and Stress Management, 2015
A study has been undertaken on history, autoecology and ecophysiology of chile piquin (Capscicum annuum var. aviculare (Dierb). Studies were undertaken on morphology of the plant, root system, pollen viability, phenology, effects of water stress on ...
Ratikanta Maiti   +2 more
doaj  

Genetic Analysis by nuSSR Markers of Silver Birch (Betula pendula Roth) Populations in Their Southern European Distribution Range. [PDF]

open access: yesFront Plant Sci, 2020
de Dato GD   +8 more
europepmc   +1 more source

Taxonomic and Feeding Trait-Based Analysis of Macroinvertebrates in the Antisana River Basin (Ecuadorian Andean Region). [PDF]

open access: yesBiology (Basel), 2023
Cabrera-García S   +7 more
europepmc   +1 more source

Temporal Distribution of Quahog Larvae Along a North-south Transect in Narragansett Bay, Rhode Island – USA [PDF]

open access: yes, 2007
Studi distribusi larva quahog dilakukan selama musim panas di Narragansett Bay, Rhode Island. Pengambilan contoh larva dilakukan setiap minggu pada lima stasiun pengambilan contoh di pesisir barat Rhode Island Sound.
Butet, N. A. (Nurlisa)
core  

Historia natural cuantitativa de una relación parásito-hospedero: el sistema Tristerix-cactáceas en Chile semiárido Quantitative natural history of a host-parasite relationship: the Tristerix-cactus system in semiarid Chile

open access: yesRevista Chilena de Historia Natural, 2002
Presentamos información cuantitativa de la historia natural de la relación parásito-hospedero constituida por el muérdago holoparásito Tristerix aphyllus (Loranthaceae) y sus hospederos cactáceas.
RODRIGO MEDEL   +6 more
doaj  

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