Results 71 to 80 of about 53,398 (254)
The reproductive cycle of the thorny skate (Amblyraja radiata) in the western Gulf of Maine [PDF]
The thorny skate (Amblyraja radiata) is a large species of skate that is endemic to the waters of the western north Atlantic in the Gulf of Maine.
Danley, Patrick D. +6 more
core
ABSTRACT In fisheries management, socioeconomic data, specifically qualitative data analysis, is often underutilized. This study qualitatively analyzed a primary federal data collection effort in the Northeast United States, The Greater Atlantic Region Commercial Fishing Business Cost Survey.
Elizabeth D. Conley +4 more
wiley +1 more source
Se informa el hallazgo de dos especímenes de Bathyraja cousseauae (Batoidea; Rajiformes; Ar-hynchobatidae) capturados en las cercanías de las islas Diego Ramírez y el Cabo de Hornos, sur de Chile.
Pablo R Reyes, Juan P Torres-Florez
doaj
The reproductive cycle of the thorny skate (Amblyraid radiata) in the western Gulf of Maine [PDF]
The thorny skate (Amblyraja radiata) is a large species of skate that is endemic to the waters of the western north Atlantic in the Gulf of Maine.
Danley, Patrick D. +6 more
core +1 more source
Abstract Fewer than 50 of the over 30,000 extant species of fishes have developed anatomical specializations facilitating endothermy in specific body regions. The plankton‐feeding basking shark (Cetorhinus maximus), traditionally classified as an ectotherm, was recently shown to have regionally endothermic traits such as centralized red muscle (RM ...
C. Antonia Klöcker +9 more
wiley +1 more source
Otodistomum cestoides (Van Beneden, 1871) from two species of skates taken in chilean waters
Otodistomum cestoides (van Beneden, 1871) (Azygiidae: Digenea) is reported for the first time from Psammobatis scobina and Raja flavirostris. The skates were caught off the coast of San Antonio, Chile.Otodistomum cestoides (van Beneden, 1871) é ...
William Threlfall, Juan Carvajal
doaj +1 more source
The friction of tilted skates on ice
The friction felt by a speed skater is calculated as function of the velocity and tilt angle of the skate. This calculation is an extension of the more common theory of friction of upright skates.
J. M. J. van Leeuwen
doaj +1 more source
Abstract This study aimed to identify geographical distribution patterns of the giant short‐tailed river stingray Potamotrygon brachyura and the motoro stingray Potamotrygon motoro in the Uruguay River basin. Data on presence/absence of stingrays were based on fishers' knowledge accessed by interviews through expeditions in Brazil, Argentina and ...
Danilo Araujo Soares Pereira +2 more
wiley +1 more source
Abstract The flapper skate, Dipturus intermedius (Parnell, 1837), is a large‐bodied, slow‐growing and late‐maturing, Critically Endangered elasmobranch with a constrained population distribution. Here, we use two longitudinal community science datasets to investigate the occurrence of flapper skates in Irish waters. The two datasets are as follows: the
Danielle L. Orrell +4 more
wiley +1 more source
The Cowl - v.83 - n.21 - Mar 28, 2019 [PDF]
The Cowl - student newspaper of Providence College. Vol. 83 No. 21 - March 28, 2019.
core +1 more source

