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Data from: Structure and composition of a canopy-beetle community (Coleoptera) in a Neotropical lowland rainforest in southern Venezuela
<p>Species richness, community structure, and taxonomic composition are important characteristics of biodiversity. Beetle communities show distinct diversity patterns according to habitat attributes. Tropical rainforest canopies, which are well known for their richness in Coleoptera, represent such a conspicuous life zone. Here, I describe a canopy-inhabiting beetle community associated with 23 tree species in a Neotropical lowland rainforest. Adult beetles were sampled manually and in aerial traps using a large tower crane for a cumulative year. The sample revealed 6738 adult beetles, which were assigned to 862 (morpho-)species in 45 families. The most species-rich beetle families were Curculionidae (<em>n</em> = 246), Chrysomelidae (<em>n</em> = 121), and Cerambycidae (<em>n</em> = 89). The most abundant families were Curculionidae (<em>n</em> = 2746) and Chrysomelidae (<em>n</em> = 1409). Dominant beetle families were found in most assemblages. The beetle community consisted of 400 singletons (46.4%). A similar proportion was evident for assemblages of single tree species. I found that 74.5% of all beetle species were restricted in their occurrence on host trees to the phenological season and time of the day. This daily and seasonal migration causes patterns similar to mass effects, and therefore accounts for the high proportion of singletons.</p>
Fig. 3 in New records of Osmoderma eremita in protected relict forests of Piedmont lowlands (NW Italy) (Coleoptera: Scarabaeidae, Cetoniinae)
Fig. 3 – Phenology of the target species close RP in the 2021 season.
Fig. 2 in New records of Osmoderma eremita in protected relict forests of Piedmont lowlands (NW Italy) (Coleoptera: Scarabaeidae, Cetoniinae)
Fig. 2 – Phenology of the target species at MW in the 2023 season.
Fig. 1 in New records of Osmoderma eremita in protected relict forests of Piedmont lowlands (NW Italy) (Coleoptera: Scarabaeidae, Cetoniinae)
Fig. 1 – Geographical location of the study areas.
Following the mixtures of organic micropollutants with in-vitro bioassays in a large lowland river from source to sea - bioassays CRC
<p>Supportive material for the submitted paper: </p> <p><strong><em><span>Following the mixtures of organic micropollutants with in-vitro bioassays in a large lowland river from source to sea </span></em></strong></p> <p><span>from Hommel et al.</span></p> <p><span>The data includes the with R automated evaluation of the AhR-CALUX, AREc32, ERa-GeneBLAzer and SH-SY5Y assay with respective plots and excel files of the concentrations response curves.</span></p>
CLDF dataset derived from Blum et al.'s (2024) "A Comparative Wordlist for Investigating Distant Relations Among Languages in Lowland South America"
<p>Cite the source of the dataset as:</p> <blockquote> <p>Blum, Frederic and Barrientos, Carlos and Zariquiey, Roberto and List, Johann-Mattis. 2024. A Comparative Wordlist for Investigating Distant Relations Among Languages in Lowland South America. *Scientific Data* 11(92). https://doi.org/10.1038/s41597-024-02928-7</p> </blockquote>
Aligned DNA sequence matrix for phylogenetic analyses of Scinax in the article "Advertisement calls and DNA sequences reveal a new species of Scinax (Anura: Hylidae) on the Pacific Lowlands of Ecuador"
<p>Aligned DNA sequence matrix for phylogenetic analyses of Scinax in the article "Advertisement calls and DNA sequences reveal a new species of Scinax (Anura: Hylidae) on the Pacific Lowlands of Ecuador". The matrix is in NEXUS format.</p> <p>Gene partition as arranged as follows (tRNAs are included as part of larger adjacent genes):</p> <p>12S RNA: 1-1033</p> <p>16S RNA: 1034-2832</p> <p>NADH dehydrogenase subunit 1: 2833-3793</p> <p>Cytochrome Oxidase sub-unit I: 3965-4654</p> <p>Cytochrome B: 4655-5447</p> <p> </p>
Figure 1 in Observations on the mating behavior of the eastern lowland olingo Bassaricyon alleni (Carnivora: Procyonidae) in the Peruvian Amazon
Figure 1. The first observation of mating wild olingos. The female
Figure 4 in Discovering underground bat hibernacula in lowland eastern Europe
Figure 4. The quantitative distribution of bats among the bat inhabited sites.
Figure 3 in Discovering underground bat hibernacula in lowland eastern Europe
Figure 3. Presence and total numbers of bats in different types of the examined underground sites.
Figure 1 in Lajonquierea koshkini sp. nov. from lowland rainforests of northern Borneo, Malaysia (Lepidoptera: Lasiocampidae)
Figure 1. Lajonquierea koshkini sp. nov. from Borneo: A) Holotype male; B) Male genitalia.
Figures 32–35 in Four new species close to Sonitha libera and Sonitha myoctona from the Congolian lowland forests (Lepidoptera, Lasiocampidae)
Figures 32–35. Maps with collecting sites for Sonitha spp.
Figures 23–25 in Description of two new species close to Sonitha alucard from the Congolian lowland forests (Lepidoptera, Lasiocampidae, Lasiocampinae, Gastropachini)
Figures 23–25. Collecting sites of Sonitha spp. (for details visit bit.ly/twonewsonitha).
Isotopes complement morphology: Niche partitioning among greenbuls in the Afrotropical lowland forest
<p><a name="_Hlk153960869"></a>Biodiversity plays a vital role in ecosystem functioning, so understanding how species coexist is a cornerstone of ecology. However, despite decades of research, our current knowledge is incomplete due to methodological limitations and sampling bias, particularly in the species-rich tropics. In this study, we combined bill and body morphological traits with stable isotopes in feathers to quantify niche differentiation among six co-occurring greenbul taxa, a diverse group of frugivorous and insectivorous passerines with remarkable similarities in body shape, in the lowland rainforests of Mt. Cameroon, West Central Africa. Our results showed that the greenbul’s niche space was primarily differentiated by variations in body morphology, with Yellow-lored Bristlebill <em>Bleda notatus</em> and Eastern Bearded Greenbul <em>Criniger chloronotus</em> occupying ecological niches distinct from the remaining four taxa, while bill morphology indicated substantial overlap between the taxa. In addition, isotopic composition of the feathers revealed a separation of Western Greenbul <em>Arizelocichla tephrolaema</em> from the other taxa. Our results show that the integration of morphological and isotopic data can provide robust estimates of niche overlaps, providing evidence for the differentiation of ecological roles. This highlights the importance of integrating variable traits to improve our understanding of how animals exploit the multidimensional niche space that enables their coexistence.</p>
Data and code for "Mesohabitat affinities of benthic macroinvertebrates in protected lowland rainforest streams of southeast Nicaragua"
<p>This repository contains all data and R script that accompanies "Mesohabitat affinities of benthic macroinvertebrates in protected lowland rainforest streams of southeast Nicaragua." Datasets includes raw macroinvertebrate and mesohabitat data, taxonomic information (family, genus, and resolution), and functional feeding group (FFG) designations based on Ramírez & Gutiérrez-Fonseca (2014).</p>
Coping with branch excision when measuring leaf net photosynthetic rates in a lowland tropical forest
Measuring leaf gas exchange from canopy leaves is fundamental for our understanding of photosynthesis and for a realistic representation of carbon uptake in vegetation models. Since canopy leaves are often difficult to reach, especially in tropical forests with emergent trees up to 60 meters at remote places, canopy access techniques such as canopy cranes or towers have facilitated photosynthetic measurements. These structures are expensive and therefore not very common. As an alternative, branches are often cut to enable leaf gas exchange measurements. The effect of branch excision on leaf gas exchange rates should be minimised and quantified to evaluate possible bias. We compared light-saturated leaf net photosynthetic rates measured on excised and intact branches. We selected branches positioned at three canopy positions, estimated relative to the top of the canopy: upper sunlit foliage, middle canopy foliage, and lower canopy foliage. We studied the variation of the effects of branch excision and transport amongst branches at these different heights in the canopy. After excision and transport, light-saturated leaf net photosynthetic rates were close to zero for most leaves due to stomatal closure. However, when the branch had acclimated to its new environmental conditions – which took on average 20 minutes –light-saturated leaf net photosynthetic rates did not significantly differ between the excised and intact branches. We therefore conclude that branch excision does not affect the measurement of light-saturated leaf net photosynthesis, provided that the branch is recut under water and is allowed sufficient time to acclimate to its new environmental conditions.
Spatial and functional structure of an entire ant assemblage in a lowland Panamanian rainforest
<p>Ants are a major ecological group in tropical rainforests. Few studies in the Neotropics have documented the distribution of ants from the ground to the canopy, and none have included the understorey. A previous analysis of an intensive arthropod study in Panama, involving 11 sampling methods, showed that the factors influencing ant beta diversity (i.e., changes in assemblage composition) were, in decreasing order of importance, the vertical (height), temporal (season), and horizontal (geographic distance) dimensions. In the present study, we went one step further and aimed (1) to identify the best sampling methods to study the entire ant assemblage across the three strata, (2) to test if all strata show a similar horizontal beta diversity and (3) to analyze the functional structure of the entire ant assemblage. We identified 405 ant species from 11 subfamilies and 68 genera. Slightly more species were sampled in the canopy than on the ground; they belonged to distinct sub-assemblages. The understorey fauna was mainly a mixture of species found in the other two strata. The horizontal beta diversity between sites was similar for the three strata. About half of the ant species foraged in two (29%) or three (25%) strata. A single method, aerial flight interception traps placed alongside tree trunks, acting as arboreal pitfall traps, collected half of the species and reflected the vertical stratification. Using the functional traits approach, we observed that generalist species with mid-sized colonies were by far the most numerous (31%), followed by ground- or litter-dwelling species, either specialists (20%), or generalists (16%), and arboreal species, either generalists (19%) or territorially dominant (8%), and finally army ants (5%). Our results reinforce the idea that a proper understanding of the functioning of ant assemblages requires the inclusion of arboreal ants in survey programs.</p>
Fig. 3. A in Sub-Montane Habitat Selection By A Lowland Pheasant
Fig. 3. A comparison of slope between nest site locations (n=10) and random areas (n=90).
Fig. 74 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 74. Dorsal and ventral views of the skin of AMNH 266566, neotype of Cavia acouchy Erxleben,
Fig. 33 in The Mammals Of Paracou, French Guiana: A Neotropical Lowland Rainforest Fauna Part 2. Nonvolant Species
Fig. 33. Limits of 12 rodent craniodental measurements defined in the text.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.