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Dragonflies of Cusuco National Park, Honduras; checklist, new country records and the description of a new species of Palaemnema Selys, 1860 (Odonata: Platystictidae)
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The odonate fauna of Honduras is poorly documented. Based on 10 years of observations and collections we present an overview of dragonflies from cloud forests in Cusuco National Park, northwestern Honduras. A total of 44 species were reported including at least seven new country records for Honduras we include ecological observations for most species. A new species of Platystictidae (Palaemnema lorae Jocque & Garrison, n. sp. Holotype ♂: HONDURAS: Cortés Dept., CNP, Cantiles, Trail 5, small river close to camp, N15.513457 W88.241681; 1846m, 23 June 2012 collected by Merlijn Jocque, field code: BINCO_HON_12_047, in RBINS) is described and illustrated.
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RBINS Staff Publications 2022
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Dragqueens or real kings? Ancient asexual Darwinulidae (Ostracoda, Crustacea).
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RBINS Staff Publications
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Dried aquatic macrophytes are floating egg banks and potential dispersal vectors of ostracods (Crustacea) from pleuston communities.
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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.
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RBINS Staff Publications 2022
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Drivers affecting habitat use in Afrotropical hipposiderid and pteropodid bats
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RBINS Staff Publications 2023 OA
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Du négoce viking à la mise en place d’un système commercial pérenne au Moyen Âge : identification de pierres à aiguiser norvégiennes dans le nord de la France et en Belgique.
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RBINS Staff Publications 2023
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E-typing for nematodes: an assessment of type specimen use by nematode taxonomists with a summary of types deposited in the Smithsonian Nematode Collection
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RBINS Staff Publications
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Eagle Owl (Bubo bubo) Pellets from Roman Sagalassos (SW Turkey): Distinguishing the Prey Remains from Nest and Roost Sites
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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.
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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).
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RBINS Staff Publications 2021
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Early and Middle Holocene human occupation of the Egyptian Eastern Desert: Sodmein Cave
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In this paper, we discuss human occupation during the Early and Middle Holocene in the Eastern Desert of Egypt, based mainly on the data provided by excavated deposits from the Sodmein Cave, which produced an important Holocene stratigraphic sequence. This sequence is dated by a large number of conventional and AMS 14C dates. It appears that the area was empty of human occupation during the Late Glacial Maximum (LGM) and the earliest Holocene. With improved climatic conditions, humans arrived in the area, as hunter-gatherers using no ceramics, from around 7.1 to 6.4 Ka cal BC. Humans were absent from the cave during the Holocene 8.2 Ka event (ca. 6.3 Ka cal BC). From 6.2 to 5.0 Ka cal BC, herders visited the site on a regular basis importing caprines. The bone evidence for domesticated small stock is very limited at Sodmein but is nevertheless extremely important, as it contains the oldest known specimens for Africa to date. After 5.0 Ka cal BC, the area was almost entirely deserted.
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Early Byzantine fish consumption and trade revealed by archaeoichthyology and isotopic analysis at Sagalassos, Turkey
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We document the dietary and economic role of fish at Sagalassos, a town in ancient Pisidia (southwest Turkey) for the Early Byzantine period (c. 550 – 700 CE) through a detailed analysis of animal bones and stable isotopes. The role of fish in the diet is quantified, for the first time, based on large samples of sieved remains retrieved during the excavation of a number of spaces in an urban residence. The table and kitchen refuse from the mansion shows that fish was a regular part of the diet. However, past isotopic work focused on human individuals excavated in the city’s necropolises, slightly postdating the faunal remains examined, did not reflect this consumption of aquatic food. The studied assemblage comprises at least 12 different fish taxa, including five marine species, a Nilotic fish and six Anatolian freshwater species. Since the origin of the freshwater fishes could not be unambiguously determined by zoogeography alone, we analyzed carbon, nitrogen and sulphur stable isotope ratios in archaeological fish bones from Sagalassos as well as in bones of modern fish collected at different sites in Turkey. We show that most freshwater fish, i.e., all cyprinid species, came from Lake Eğirdir. No evidence was found for fish from the local Aksu River basin. The exact origin of pike, which account for 3% of all freshwater fish, could not be directly determined due to a shortage of modern comparative data. Using the data obtained on the provenance of the fish, the ancient trade routes possibly used in the Early Byzantine period are reconstructed using a combination of archaeological, numismatic and historical data on past commercial relations.
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RBINS Staff Publications 2023
