Results 71 to 80 of about 5,772 (210)

A Novel Method for Increasing the Numerousness of Biometrical Parameters Useful for Wildlife Management: Roe Deer Mandible as Bone Model

Animals, 2020
Study of dimensions (biometry) and shapes (geometric morphometry) of bone structures in ungulates is of extreme importance in wildlife population management.
Elena De Felice, Cesare Pacioni, Federico Maria Tardella, Cecilia Dall’Aglio, Antonio Palladino, Paola Scocco   +5 more
doaj   +1 more source

Multitrophic alpha and beta diversity of lake plankton across Canada

Oikos, EarlyView.
Anthropogenic environmental changes impact freshwater biodiversity globally. While biodiversity assessments in freshwater environments have traditionally focused on individual groups of organisms or trophic levels, considering patterns of ‘multitrophic biodiversity' across the food web provides a more comprehensive view of anthropogenic impacts and ...
Vincent Fugère, Cindy Paquette, Gillian K. Martin, Rebecca E. Garner, Yannick Huot, David A. Walsh, Beatrix E. Beisner   +6 more
wiley   +1 more source

Evidence of incipient speciation in Astyanax scabripinnis species complex (Teleostei: Characidae)

Neotropical Ichthyology
Two populations of the Astyanax scabripinniscomplex, isolated by a waterfall with over 100 meters depth and inhabiting different altitudes of the same river (1850 m a.s.l. and 662 m a.s.l.) were compared in reproductive data, geometric morphometry, tooth
Jonathan P. Castro, Maurício O. Moura, Orlando Moreira-Filho, Oscar A. Shibatta, Mateus H. Santos, Viviane Nogaroto, Marcelo R. Vicari, Mara C. de Almeida, Roberto F. Artoni   +8 more
doaj   +1 more source

Predictability of Craniofacial Skeletal Age with Geometric Morphometrics

The Journal of Contemporary Dental Practice, 2018
This study aims to estimate skeletal age of craniofacial shape obtained from cone beam computed tomography (CBCT)-defined facial and basicranial landmarks using geometric morphometrics method in a random sample of growing patients, and explore the correlation between craniofacial shape and skeletal age as determined from hand and wrist radiograph ...
Antoine, Saadé, Pascal, Baron, Ziad Ef, Noujeim, Elie, Arouk, Dany, Azar   +4 more
openaire   +2 more sources

Differentially expressed morphological characters depend on sex and ontogenetic stage in the crab Goniopsis cruentata (Crustacea: Grapsidae)

Scientia Marina
The hypothesis of this study was that significant variations in the growth rates of Goniopsis cruentata are related to intersexual and age-related characteristics, particularly in areas identified as secondary sexual (pleon, carapace and chelipeds ...
Lucas Nunes da Silva, Mauro de Melo Junior, Renata Akemi Shinozaki-Mendes   +2 more
doaj   +1 more source

Geometric Morphometrics Reveal Body Shape Variation in Freshwater Shrimps of the Genus Macrobrachium Lacking a Mandibular Palp (Formerly Pseudopalaemon Sollaud, 1911) (Decapoda: Palaemonidae)

Acta Zoologica, EarlyView.
ABSTRACT Shape variation in the cephalothorax of Macrobrachium species without mandibular palp using geometric morphometrics was used as a tool to support species differentiation and propose new diagnostic characters for taxonomic identification.
Thaís Arrais Mota, Ana Carla Soares da Silva, Lucas Jhones de Santana Neves, Carlos Eduardo Rocha Duarte Alencar, Fabrício Lopes Carvalho   +4 more
wiley   +1 more source

Surface registrations for topology transfer in geometric morphometry

, 2020
Geometric morphometry serves biologists and anthropologists to rigorously and quantitatively describe shapes. These representations can be treated as a statistical sample, allowing the researchers to study its variability within groups and correlate it ...
Dupej, Ján
core  

Identifying the exposure of taxonomic, functional, and phylogenetic diversity of steppe birds to renewable energy development

Conservation Biology, EarlyView.
Abstract Biodiversity is globally threatened by human impacts, including land‐use transformation and climate change, which has prompted a rapid transition from fossil fuels to cleaner energy sources, such as photovoltaic (PV) energy. However, utility‐scale PV plants require vast areas and can lead to conflicts with biodiversity conservation, making ...
Pablo Medrano‐Vizcaíno, François Mougeot, Beatriz Arroyo, Gerard Bota, David Giralt, Laura Maeso‐Pueyo, Carlos A. Martín, Manuel B. Morales, Pedro P. Olea, Juan Traba, Ana Benítez‐López   +10 more
wiley   +1 more source

Conservation and management implications of genetic and geometric scale variation in the ancient fish giant featherback (Chitala lopis)

Journal of Fish Biology, EarlyView.
Abstract Giant featherback (Chitala lopis) is an ancient species of freshwater fish considered globally extinct until extant populations were re‐discovered in the Sundaland region of Indonesia in 2022. To improve management of the remaining populations, this study used genomic DNA and landmark‐based geometric morphometric analyses of fish scales to ...
Boby Muslimin, Gunawan Muhammad, Arif Wibowo, Kurniawan Kurniawan, Vitas Atmadi Prakoso, Rendy Ginanjar, Mochammad Zamroni, Bayu Kreshna Adhitya Sumarto, Septiana Sri Astuti, Deni Irawan, Agus Priyadi, Mirna Dwirastina, Siti Rachmi Indahsari, Haryono Haryono, Hadi Dahruddin, Indah Lestari, Flandrianto Sih Palimirmo, Nunak Nafiqoh, Mochamad Chandra Wirawan Arief, Asep Sahidin, Oriza Savitri Ariantie, Indah Anggraini Yusanti, Sujaka Nugraha, Ivor G. Stuart   +23 more
wiley   +1 more source

Variability of tepal’s bend shape in some Colchicum s.l. species of European Russia [PDF]

Известия Саратовского университета. Новая серия: Серия Химия. Биология. Экология
The aim of this work was to identify the degree of tepal bend shape variation in representatives of six Colchicum s.l species: C. laetum L., C. ancyrense B. L. Burtt, C. bulbocodium var. versicolor (Ker Gawl.) K. Perss, C. umbrosum Steven, C.
Epifanov, Vladimir S., Kondrateva, Anna Olegovna, Kasatkin, Michail Yurievich, Kashin, Alexandr Stepanovich   +3 more
doaj   +1 more source