Results 91 to 100 of about 51,263 (280)

Isoetes ×atruensis (Isoetaceae – Lycopodiopsida), a new interspecific sterile hybrid from Rajasthan of Western India

open access: yesNordic Journal of Botany, EarlyView.
Isoetes ×atruensis hyb. nov. is shown to be a triploid (2n = 3× = 33 + 1) sterile interspecific hybrid between diploid (2n = 2× = 22 + 1) I. coromandelina and tetraploid (2n = 4× = 44 + 1) I. rajasthanensis. It has been found in two locations in Rajasthan, India.
Sarvesh Kumar Singh   +4 more
wiley   +1 more source

Integrating alpha, beta, and phylogenetic diversity to understand anuran fauna along environmental gradients of tropical forests in western Ecuador

open access: yesEcology and Evolution, 2019
The study of current distribution patterns of amphibian species in South America is of particular interest in areas such as evolutionary ecology and conservation biology.
Luis Amador   +2 more
doaj   +1 more source

Identity of Sphaerotheca pluvialis (Jerdon, 1853) and other available names among the burrowing frogs (Anura: Dicroglossidae) of South Asia

open access: yesJournal of Threatened Taxa, 2017
Species diversity of South Asian burrowing frogs within the genus Sphaerotheca is still obscure because of lack of taxonomic review.  There are taxonomic issues within the genus Sphaerotheca with several names being synonymized to S. breviceps and names,
Neelesh Dahanukar   +2 more
doaj   +1 more source

Bolitoglossa diaphora [PDF]

open access: yes, 2006
Number of Pages: 3Integrative BiologyGeological ...
McCranie, James R.
core   +1 more source

Taxonomic insights into Indian Rotala (Lythraceae) species with verticillate phyllotaxy

open access: yesNordic Journal of Botany, EarlyView.
In an effort to resolve taxonomic complexities among Indian Rotala species with verticillate phyllotaxy, this study provides an identification key, revised nomenclature, updated morphological descriptions including SEM studies of seed coat surfaces, detailed photoplates, and notes on phenology, ecology, and distribution.
Arikrishnan Parthiban   +2 more
wiley   +1 more source

Hyla multifasciata [PDF]

open access: yes, 1996
Number of Pages: 4Integrative BiologyGeological ...
de Sá, Rafael O.
core   +1 more source

Regulatory Framework and Public Policies for Sustainability in the Construction Sector

open access: yesSustainable Development, EarlyView.
ABSTRACT This study analyzes the role of public policies in promoting socially responsible practices in the construction sector, with a particular focus on their contribution to climate neutrality and the decarbonization of the building stock. European agreements exert increasing pressure to transform the construction sector, reinforcing the transition
Olga González‐Morales   +3 more
wiley   +1 more source

Rana blairi [PDF]

open access: yes, 1992
Number of Pages: 6Integrative BiologyGeological ...
Brown, Lauren E.
core   +1 more source

Advancing Model‐Based Systems Engineering in the Development of Naval Vessel Systems Architecture

open access: yesSystems Engineering, EarlyView.
ABSTRACT The increasing complexity of modern naval vessels due to technological advancements poses challenges for early‐stage ship design (ESSD). Developing well‐defined system architectures and adopting systems engineering approaches are essential to address these challenges.
Vasileios Sideris   +3 more
wiley   +1 more source

Immunohistochemical Characterization of Langerhans Cells in the Skin of Three Amphibian Species

open access: yesBiology
The amphibian taxon includes three orders that present different morphological characteristics: Anura, Caudata, and Apoda. Their skin has a crucial role: it acts as an immune organ constituting a physical, chemical, immunological, and microbiological ...
Giorgia Pia Lombardo   +8 more
doaj   +1 more source

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