Results 41 to 50 of about 102,132 (263)

ST-GWLR: combining geographically weighted logistic regression and spatiotemporal hotspot trend analysis to explore the effect of built environment on traffic crash

open access: yesGeo-spatial Information Science
Road traffic crashes are becoming thorny issues being faced worldwide. Traffic crashes are spatiotemporal events and the research on the spatiotemporal patterns and variation trends of traffic crashes has been carried out.
Xinyu Qu   +8 more
doaj   +1 more source

Distribution of skates and sharks in the North Sea: 112 years of change [PDF]

open access: yes, 2016
How have North Sea skate and shark assemblages changed since the early 20th century when bottom trawling became widespread, whilst their environment became increasingly impacted by fishing, climate change, habitat degradation and other anthropogenic ...
Ellis, JR   +4 more
core   +1 more source

O Ethos do Street Skate num Brasil Dividido

open access: yesRevista Eco-Pós, 2023
O objetivo deste artigo é refletir sobre a construção das representações midiáticas do skate de rua nas mídias a partir de filmes e transmissões das Olimpíadas de Tóquio de 2020 na Globo e de três colunas publicadas em 2021 e 2022, de Chico Lins, Valmir
Cláudia Pereira
doaj   +1 more source

Anticancer Activity of a Hexapeptide from Skate (Raja porosa) Cartilage Protein Hydrolysate in HeLa Cells

open access: yesMarine Drugs, 2016
In this study, the hexapeptide Phe-Ile-Met-Gly-Pro-Tyr (FIMGPY), which has a molecular weight of 726.9 Da, was separated from skate (Raja porosa) cartilage protein hydrolysate using ultrafiltration and chromatographic methods, and its anticancer activity
Xin Pan   +4 more
semanticscholar   +1 more source

Precision teaching and fluency: the effects of charting and goal-setting on skaters’ performance [PDF]

open access: yes, 2010
This research involved three successive studies where precision teaching methods were used to increase roller skaters performance rates of basic skating skills. The first study compared precision teaching methods both with and without the use of charting
Foster, T. Mary   +2 more
core   +2 more sources

Pista de skate da Trindade: imaterialidades e vestígios de memória [PDF]

open access: yesCadernos NAUI, 2021
O presente artigo propõe uma reflexão sobre as memórias, vestígios, materialidades e imaterialidades pertencentes aos grupos frequentadores, bem como a sua ocupação territorial na pista de skate Trinda Times, localizada no bairro Trindade, na cidade ...
Thainá de Castro   +3 more
doaj  

Seamount egg-laying grounds of the deep-water skate Bathyraja richardsoni.

open access: yesJournal of Fish Biology, 2016
Highly localized concentrations of elasmobranch egg capsules of the deep-water skate Bathyraja richardsoni were discovered during the first remotely operated vehicle (ROV) survey of the Hebrides Terrace Seamount in the Rockall Trough, north-east Atlantic
Lea-Anne Henry   +6 more
semanticscholar   +1 more source

Dental crown morphological variation and heterodonty in carcharhiniform sharks

open access: yesThe Anatomical Record, EarlyView.
Abstract Elasmobranch teeth are highly mineralized structures that constitute the majority of the fossil record for this group. Despite their taxonomic and evolutionary significance, detailed descriptions of dental morphology remain scarce. The order Carcharhiniformes, the most diverse among sharks, comprises 304 valid species that display remarkable ...
Flávia Zanini, Karla D. A. Soares
wiley   +1 more source

All their eggs in one basket: a rocky reef nursery for the longnose skate (Raja rhina Jordan & Gilbert, 1880) in the southern California Bight [PDF]

open access: yes, 2008
Skates (family Rajidae) are oviparous and lay tough, thick-walled eggs. At least some skate species lay their eggs in spatially restricted nursery grounds where embryos develop and hatch (Hitz, 1964; Hoff, 2007).
Cochrane, Guy   +4 more
core  

Resolving taxonomic uncertainty in vulnerable elasmobranchs: are the Madeira skate (Raja maderensis) and the thornback ray (Raja clavata) distinct species?

open access: yesConservation Genetics, 2016
Skates and rays constitute the most speciose group of chondrichthyan fishes, yet are characterised by remarkable levels of morphological and ecological conservatism.
Rachel E. Ball   +14 more
semanticscholar   +1 more source

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