Results 41 to 50 of about 412,566 (262)

Inicios de la Marina Mercante de Chile (1800-1870)

open access: yesRevista de Historia, 2001
Introducción El tema que he escogido para mi disertación en este Simposio sobre “Historia Marítima del Pacífico”, al que hemos sido convocados por el Centro de Investigaciones Historicas de America Central de la Universidad de Costa Rica y que se ...
Sergio Martínez Baeza
doaj  

Ophichthidae Gunther 1870

open access: yes, 2014
Family Ophichthidae Günther 1870 Name in prevailing recent practice, Article 35 ...
Laan, Richard Van Der   +2 more
openaire   +2 more sources

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

Quantitative muscle architecture in large carnivorous marsupials (Marsupialia: Dasyuridae) and links to substrate use and prey processing

open access: yesThe Anatomical Record, EarlyView.
Abstract The Dasyurid species Sarcophilus harrisii, Dasyurus maculatus, and Dasyurus viverrinus, occupying diverse ecological niches and forming a guild structure in Tasmania, provide a basis for examining the roles of various forelimb muscle groups in prey capture and locomotion.
Riya G. Bidaye   +4 more
wiley   +1 more source

Twin pregnancies and the limits of the energetics of gestation and growth hypothesis

open access: yesThe Anatomical Record, EarlyView.
Abstract The “Energetics of Gestation and Growth” (EGG) hypothesis proposes that human birth timing and the associated secondary altriciality of human newborns is determined by limits in maternal metabolic capacity. According to this model, labor is triggered when the increasing fetal energy requirements exceed the expectant mother's maximum sustained ...
Cédric Cordey   +2 more
wiley   +1 more source

Haemoglobin revisited: delineating population structure with the world’s first molecular genetic marker used in fisheries research

open access: yesRoyal Society Open Science
When haemoglobin genotyping was implemented in the early 1960s to investigate population genetic structure in Atlantic cod (Gadus morhua), it became one of the first molecular genetic markers deployed in fisheries research worldwide.
Bjørghild Breistein   +4 more
doaj   +1 more source

A man of his time: Joseph Leidy, racial science, and American anatomy

open access: yesAnatomical Sciences Education, EarlyView.
Abstract Professor Joseph Leidy M.D. was arguably the most influential anatomist in the nineteenth‐century United States, having written over 500 publications and serving as the first President of the Association of American Anatomists. While many of Leidy's diverse contributions to American science and medicine are well‐known, scholars have said much ...
Christopher D. E. Willoughby
wiley   +1 more source

No other choice: The fracturing of reflexivity in families' pathways into (non‐)elective home education in England

open access: yesBritish Educational Research Journal, EarlyView.
Abstract In England, education is compulsory, but schooling is not: it is legal for families to home educate their children. This form of education is officially termed by the Department for Education as ‘Elective Home Education’. As this designation implies, many families home educate as a positive and preferential ‘choice’.
Katherine Davey   +3 more
wiley   +1 more source

Crowding causes detachment and loss of mobile sea lice: Fine-meshed crowding nets may mitigate spread

open access: yesAquaculture Reports
Detachment of mobile lice from salmon during crowding and handling procedures in sea-cage fish farms may lead to loss and unwanted spread of ectoparasitic sea lice to other cages, farms or wild fish.
Lena Geitung   +6 more
doaj   +1 more source

Review of the fauna associated with wild and farmed mussels and oysters in the Mediterranean

open access: yesBiological Reviews, EarlyView.
ABSTRACT Mussels and oysters are important ecosystem engineers which modify the physical and chemical characteristics of the environment and create habitats that support highly diverse associated communities. In the Mediterranean Sea, the native Mediterranean mussel Mytilus galloprovincialis and the European flat oyster Ostrea edulis, together the ...
Barbara Mikac   +5 more
wiley   +1 more source

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