Results 71 to 80 of about 42,594 (264)

Functional anatomy, jaw mechanisms, and feeding behavior of Dunkleosteus terrelli (Placodermi, Arthrodira)

open access: yesThe Anatomical Record, EarlyView.
A new musculoskeletal reconstruction and revision of the cranio‐mandibular anatomy of the Devonian arthrodire placoderm Dunkleosteus terrelli from a comparative and functional anatomical perspective. Dunkleosteus is a specialized arthrodire with many specializations for feeding on large vertebrates, and many of its features are part of broader ...
Russell K. Engelman   +4 more
wiley   +1 more source

Singularidad, paleobiogeografía y problemática de conservación de los pinares de Pinus sylvestris en la península Ibérica [PDF]

open access: yes, 2009
Se reflexiona desde diversos puntos de vista sobre la originalidad que suponen las poblaciones de pino albar en la península Ibérica, límite corológico de su área de distribución, con numerosas poblaciones relictas que no figuran en los catálogos de ...
Bermejo Bermejo, Elena   +6 more
core  

Formulation of a service-learning action focused on providing basic habitat on a self managed habitat. An interuniversity experience in Maputo (Mozambique) [PDF]

open access: yes, 2017
Kaya Clínica es el nombre de un instrumento implementado por dos instituciones universitarias globales y públicas —una del norte y otra del sur— para el ejercicio de la habitabilidad básica bajo la metodología del aprendizaje-servicio.
Lage, Luis   +4 more
core   +2 more sources

3D anatomical atlas of the heads of male and female adult Chamaeleo calyptratus

open access: yesThe Anatomical Record, EarlyView.
The veiled chameleon is a model organism in reptile development research. Utilizing contrast‐enhanced microCT and deep learning segmentation models, we have generated the first digital atlases of the skull, nervous system, cranial muscles and hyolingual muscles.
Alice Leavey   +3 more
wiley   +1 more source

Balancing tourism development and habitat conservation in fragile ecosystems: A case study of the Qinghai-Tibet Plateau.

open access: yesPLoS ONE
As a typical representative of global ecologically fragile areas and emerging tourism hotspots, the Qinghai-Tibet Plateau has important research value in its collaborative path between ecosystem protection and tourism development.
Bo Yang   +4 more
doaj   +1 more source

Use of Occupancy Models to Evaluate Expert Knowledge-based Species-Habitat Relationships

open access: yesAvian Conservation and Ecology, 2012
Expert knowledge-based species-habitat relationships are used extensively to guide conservation planning, particularly when data are scarce. Purported relationships describe the initial state of knowledge, but are rarely tested.
Monica N. Iglecia   +2 more
doaj   +1 more source

Vers une géographie du cohousing aux États-Unis

open access: yesM@ppemonde, 2020
This article studies the geographic spread of cohousing in the United States. As no exhaustive census of intentional communities has yet to be completed, we will discuss the principles underlying the constitution of an original database and then analyze ...
Gérald Billard   +2 more
doaj   +1 more source

Exploration of the nutritional profile of Trichocereus terscheckii (Parmentier) Britton & Rose stems [PDF]

open access: yes, 2013
Columnar cacti Trichocereus terscheckii is an important source of food and water for insects, birds and wild cattle in dry areas of North West Argentina. Their fruits have been suggested as a plausible source of food, but are not directly included in the
Padro, Julian, Soto, Ignacio Maria
core  

Contribución al estudio de los hongos que fructifican sobre la familia "Pinaceae" (Gen. Pinus L.) en España (1ª aportación) [PDF]

open access: yes, 1980
Se realiza un ensayo de trabajo para determinar ciertos grupos de hongos específicos o que muestren apetencia a fructificar sobre restos vegetales del género Pinus, introduciendo signos determinados para estos estudios.
García-Manjón, José Luis   +1 more
core   +4 more sources

Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto   +3 more
wiley   +1 more source

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