Results 81 to 90 of about 17,244 (204)

Surface Topography and Ultrastructure of the Spectacular Cells in the Eyes of Land and Sea Snakes (Squamata, Reptilia): Functional Adaptations of Micro‐Ornamentation

open access: yesJournal of Morphology, Volume 286, Issue 9, September 2025.
ABSTRACT Although the surface micro‐ornamentation of the scales within the skin of snakes has been the subject of many previous studies, there has been little work done on the spectacle, a protective (keratinised) goggle separated from the underlying cornea by a sub‐spectacular space. The surface ultrastructure of the “Oberhäutchen” of the spectacle is
H. Barry Collin   +6 more
wiley   +1 more source

Ideenskizze zum Bundeswettbewerb „Naturschutzgroßprojekte und ländliche Entwicklung“ mit dem Titel „idee.natur – Zukunftspreis Naturschutz“ : unser Themenschwerpunkt: Wälder [PDF]

open access: yes, 2009
Um den Zuschlag zum Naturschutzgroßprojekt bewirbt sich die Hessische Rhön. Die notwendigen Maßnahmen sind ohne Akzeptanz der Bevölkerung nicht realisierbar.
Kremer, Martin, Sauer, Ewald
core  

Monthly eDNA Metabarcoding Data From the Coastal North Sea Area Align With Fish Species‐Specific Life Cycle Events

open access: yesEnvironmental DNA, Volume 7, Issue 4, July–August 2025.
In this study, we investigated the temporal and spatial patterns of fish communities within the 12 nautical miles limit of the Belgian part of the North Sea (BPNS) using eDNA 12S metabarcoding. Our findings revealed that while there are no temporal changes at the community level, species‐specific eDNA signals align with the species known biology in the
Marianne Lolivier   +5 more
wiley   +1 more source

Efeito da densidade de estocagem do quinguio, Carassius auratus L., 1758 (Osteichthyes, Cyprinidae), em suas fases iniciais de desenvolvimento

open access: yesActa Scientiarum: Biological Sciences, 2008
Objetivou-se avaliar a influência da densidade de estocagem sobre o desenvolvimento do quinguio, Carassius auratus (Osteichthyes, Cyprinidae) em suas fases iniciais. Foram utilizados 300 larvas (Lt = 7,00 mm), distribuídas em 20 aquários (12-L).
Claudemir Martins Soares   +3 more
doaj   +1 more source

Las Colecciones del Museo de Ciencias Naturales de la Universidad de Navarra. I. Vertebrados [PDF]

open access: yes, 2000
Se presenta el Catálogo de la Colección de Vertebrados expuesta en el Museo de Ciencias Naturales de la Universidad de Navarra. La mayor parte de la colección, de ámbito mundial, proviene de la antigua Colección del Colegio Lecároz (Navarra).
Ariño-Plana, A.H. (Arturo Hugo)   +1 more
core  

Negative impacts of insecticide‐treated methods and slot traps for trapping of Ips cembrae on nontarget invertebrates

open access: yesPest Management Science, Volume 81, Issue 7, Page 3482-3492, July 2025.
The negative impacts of using insecticide‐treated methods and slot traps against Ips cembrae were evaluated. Negative impacts on predator species of bark beetles such as Thanasimus formicarius and Red‐Listed species were described. Abstract BACKGROUND Ips cembrae is serious forest pest of European larch (Larix decidua).
Špoula Jakub   +3 more
wiley   +1 more source

Deskripsi Ikan Famili Mugilidae di Lima Muara Sungai di Sulawesi Utara [PDF]

open access: yes, 2011
Deskripsi beberapa spesies ikan anggota Famili Mugilidae telah dilakukan di lima muara sungai di Sulawesi Utara. Penelitian ini bertujuan untuk mendeskripsikan, membandingkan aspek morfometrik dan meristik serta mengidentifikasi beberapa spesies ikan ...
Katili, D. Y. (Deidy)
core  

Invasão da piranha Serrasalmus marginatus Valenciennes, 1847 no alto rio Paraná, Brasil (Osteichthyes, Serrasalmidae)

open access: yesActa Scientiarum: Biological Sciences, 2008
A construção da barragem de Itaipu, 150 km a jusante do salto de Sete Quedas, resultou no afogamento da barreira geográfica natural, com conseqüente mistura das ictiofaunas.
Carlos Sérgio Agostinho   +1 more
doaj   +1 more source

Dades sobre la capture de dues espècies del gènere Tetrapturus (Osteichthyes, Istiophoridae) al mar Balear (Mediterrània occidental) [PDF]

open access: yes, 1997
not ...
Llorís, Domingo   +4 more
core  

A description of the early life history stages of the kob, Argyrosomus hololepidotus (Pisces: Sciaenidae), from southern Africa [PDF]

open access: yes, 1990
The larval development of the kob, Argyrosomus hololepidotus is described and illustrated from a series of specimens collected in Algoa Bay, South Africa.
Beckley, L.E.
core   +2 more sources

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