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Article Reference Dried aquatic macrophytes are floating egg banks and potential dispersal vectors of ostracods (Crustacea) from pleuston communities.
In aquatic ecosystems, such as Neotropical floodplains, it is common to find dried aquatic macrophytes along the margins of various environments (e.g. lakes and rivers) during the dry season. Here, we evaluate the potential of dried Eichhornia crassipes as a dispersal vector of ostracod resting eggs by assessing the abundance, richness and beta diversity of the dormant associated fauna. We test two hypotheses: (1) that the roots of E. crassipes shelter and disperse ostracod resting eggs and (2) that the abundance, richness and beta diversity of dormant assemblages will increase over the incubation time after re-hydration. Dried E. crassipes from floodplain lakes were hydrated with distilled water. The microcosms were kept in germinating chambers with controlled temperature and photoperiod during 147 days. A total of 397 ostracods representing seven species hatched from the resting eggs attached to dried macrophyte roots. An increase in richness and a decrease in abundance were observed over the weeks, although these trends were not significant. However, the beta diversity increased significantly over the incubation time. Our results show that the complex root systems of E. crassipes have the potential for storage and dispersal of ostracod resting eggs.
Located in Library / RBINS Staff Publications 2022
Article Reference Drivers affecting habitat use in Afrotropical hipposiderid and pteropodid bats
Located in Library / RBINS Staff Publications 2023 OA
Article Reference Drivers of morphological evolution in the toothed whale jaw
Located in Library / RBINS Staff Publications 2023
Article Reference Dynamic life cycle assessment of geothermal heat production from medium enthalpy hydrothermal resources
Located in Library / RBINS Staff Publications 2022
Article Reference E-typing for nematodes: an assessment of type specimen use by nematode taxonomists with a summary of types deposited in the Smithsonian Nematode Collection
Located in Library / RBINS Staff Publications
Article Reference Eagle Owl (Bubo bubo) Pellets from Roman Sagalassos (SW Turkey): Distinguishing the Prey Remains from Nest and Roost Sites
Two concentrations of animal bones, almost exclusively from small mammals and wild birds, were found within the destruction debris of a Roman bath complex in Sagalassos (SW Turkey). The overall species spectrum, skeletal element representation, fragmentation and preservation condition of the bones indicate that they represent the prey remains of a large nocturnal avian predator, more precisely the eagle owl (Bubo bubo). Differences in skeletal element representation and in prey species’ spectrum show that the two bone clusters derive from pellets deposited near a nest site and a roost site, respectively. Radiocarbon dates obtained from the bones indicate that eagle owls lived in the collapsing bath complex during the second half of the 6th to the beginning of the 7th century AD, before the final abandonment of the town. The MNI of the prey animals found at the nest site, confronted with the daily dietary needs of a female eagle owl and its young, indicates repetitive use of the same place during several years.
Located in Library / RBINS Staff Publications
Article Reference Earliest Mysticete from the Late Eocene of Peru Sheds New Light on the Origin of Baleen Whales
Although combined molecular and morphological analyses point to a late middle Eocene (38–39 million years ago) origin for the clade Neoceti (Odontoceti, echolocating toothed whales plus Mysticeti, baleen whales, and relatives), the oldest knownmysticete fossil dates from the latest Eocene (about 34 million years ago) of Antarctica [1, 2]. Considering that the latter is not the most stemward mysticete in recent phylogenies and that Oligocene toothed mysticetes display a broad morphological disparity most likely corresponding to contrasted ecological niches, the origin of mysticetes from a basilosaurid ancestor and its drivers are currently poorly understood [1, 3–8]. Based on an articulated cetacean skeleton from the early late Eocene(Priabonian, around 36.4million years ago) of the Pisco Basin, Peru, we describe a new archaic tooth-bearing mysticete, Mystacodon selenensis gen. et sp. nov. Being the geologically oldest neocete (crown group cetacean) and the earliest mysticete to branch off described so far, the new taxon is interpreted as morphologically intermediate between basilosaurids and later toothed mysticetes, providing thus crucial information about the anatomy of the skull, forelimb, and innominate at these critical initial stages of mysticete evolution. Major changes in the morphology of the oral apparatus (including tooth wear) and flipper compared to basilosaurids suggest that suction and possibly benthic feeding represented key, early ecological traits accompanying the emergence of modern filter-feeding baleen whales’ ancestors.
Located in Library / RBINS Staff Publications 2017
Article Reference Earliest mysticete from the late Eocene of Peru sheds new light on the origin of baleen whales
Located in Library / RBINS Staff Publications 2017
Article Reference Earliest Mysticete from the Late Eocene of Peru Sheds New Light on the Origin of Baleen whales.
Located in Library / RBINS Staff Publications 2017
Article Reference Early and High Medieval (c. 650 AD - 1250 AD) charcoal production and its impact on woodland composition in the Northwest-European lowland: a study of charcoal pit kilns from Sterrebeek (Central Belgium).
Located in Library / RBINS Staff Publications 2021