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83 results for “steppe species”
Data from: Phylogenomic inference and demographic model selection suggest peripatric separation of the cryptic steppe ant species Plagiolepis pyrenaica stat. rev.
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Data from: Multi-dimensional patterns of variation in root traits among coexisting herbaceous species in temperate steppes
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Unravelling species co-occurrence in a steppe bird community of Inner Mongolia: insights for the conservation of the endangered Jankowski’s Bunting
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Fig. 1 in New record of the steppe longhorn beetle species Phytoecia (Musaria) argus (G. F. Frölich, 1793) (Cerambycidae: Lamiinae) in Bulgaria
Fig. 1. Habitat of Phytoecia argus in Chepan Mts. A: General view of the habitat; B: Trinia glauca; C: Female among grasses on the ground.
Shortgrass steppe and northern mixedgrass prairie plant species traits
<p>Despite progress in trait-based ecology, there is limited understanding of the plant traits that structure semiarid grasslands. In particular, it remains unclear how traits that enable plants to cope with water limitation are related to traits that influence other key functions such as herbivore defense and growth. The hypothesis that drought and herbivory exert convergent selection pressures is supported for morphological traits, but largely untested for structural, physiological, and phenological traits. Drought and economic traits can also covary, but where and to what degree remains uncertain.</p> <p>Here we address these uncertainties in semiarid shortgrass steppe and mixedgrass prairie, the largest remaining grasslands in North America. Using a broad selection of traits for 37 of the most common plant species in each ecosystem, we ask whether traits that confer drought tolerance, avoidance and escape covary with herbivore resistance traits and economic traits.</p> <p>Results reveal that both drought tolerance and escape are coordinated with other functions, but in opposite fashion. Drought tolerant species (low leaf osmotic potential and high leaf dry matter content, LDMC) were also herbivore resistant (high leaf toughness and cellulose) and at the 'slow' end of the economic spectrum (low leaf nitrogen, leaf phosphorus, and high stem density). Conversely, drought escape via early senescence was associated with lower drought tolerance, lower herbivore resistance, and 'fast' economic traits. Drought avoidance, as indicated by thick leaves, may also be associated with lower drought tolerance (LDMC). Senescence date and LDMC appear to be key traits in these semiarid grasslands, differentiating species along multiple axes of function.</p> <p><i>Synthesis</i> – Covariation between drought, herbivory and economic traits means that, of the many potential trait combinations, few actually exist within these grasslands. Consequently, changes in land management and climate should have predictable effects on drought resistance, forage quality and productivity in the western Great Plains. </p>
FIGURE 21 in Ypsolopha admirandella sp. n. (Lepidoptera: Ypsolophidae), a new European species from the steppes of Russia
FIGURE 21. Distribution of Ypsolopha admirandella; star marks the type locality.
FIGURE 39 in On the synonymy of two wolf spider species of the genus Alopecosa (Araneae, Lycosidae) from the steppe zone of Russia
FIGURE 39. Geographic distribution records of Alopecosa cronebergi.
FIGURE 1 in Mallomonas paraperfossa sp. nov. (Chrysophyceae, Synurales), a new species from the shallow ephemeral ponds in the steppe zone of the Southern Urals, Russia
FIGURE 1. Schematic map of the study area.
Data from: The response of root traits to precipitation change of herbaceous species in temperate steppes
1. Plasticity of root traits plays an important role in determining plant growth and survival under changing climate. Shift in precipitation is one of the most pertinent global change factors driving changes in structure and function of grasslands. However, few studies have focused on intra-specific variation of root traits in response to precipitation change under field conditions. 2. We conducted a 10-year simulated increased precipitation experiment in a temperate grassland and a 700-km regional scale transect along a precipitation gradients ranging from 144.23 to 412.29 mm in northern China. The morphological, chemical and anatomical traits of the first two orders roots were measured on 15 common herbaceous species in the manipulation experiment and two regionally common species (Leymus chinensis, Artemisia frigida) along the precipitation gradients. 3. We found that most of the root traits of the herbaceous species exhibited no significant responses to water addition. The two regionally common species adjusted their root traits at sites with the annual precipitation lower than certain value, i.e., 250 mm and 160 mm for L. chinensis and A. frigida, respectively. These results indicate that root traits of the herbaceous species exhibit little plasticity in response to precipitation change, and that the adjustment of root traits occurs when the range of annual precipitation exceeds a certain thresholds. 4. Root traits of L. chinensis and A. frigida varied differently both in manipulation experiment and along the precipitation gradients. Root traits of L. chinensis were relatively constant, while A. frigida adjusted their morphological root traits in response to water addition. Moreover, L. chinensis showed higher specific root length and area, and root N contents at sites with annual precipitation lower than c. 250 mm. In contrast, A. frigida displayed thicker roots with lower specific root length and area at sites with annual precipitation lower than c.160 mm. 5. Our results showed that root traits of herbaceous species in temperate grasslands exhibited little plasticity, and that different species have evolved diverse adaptive strategies in response to precipitation change. These novel findings may provide valuable information to predict responses of temperate grasslands to future climate change.
Figure 3 from: Tsafack N, Wang X, Xie Y, Fattorini S (2021) Niche overlap and species co-occurrence patterns in carabid communities of the northern Chinese steppes. In: Spence J, Casale A, Assmann T, Liebherr JК, Penev L (Eds) Systematic Zoology and Biodiversity Science: A tribute to Terry Erwin (1940-2020). ZooKeys 1044: 929-949. https://doi.org/10.3897/zookeys.1044.62478
Figure 3 Histograms of expected values (blue bars) for species co-occurrence (c-scores) in carabid beetle communities of Central Asian steppes using the fixed-fixed algorithm to generate 10,000 null matrices. Investigated ecosystems were a desert steppe (a), a typical steppe (b), a meadow steppe (c), three sectors within the typical steppe (d–f), and two sectors within the meadow steppe (g, h). In each graph, the vertical red line indicates the observed value, long-dash lines indicate the one-tailed 95% limits, and the short-dash lines the two-tailed 95% limits.
Figure 2 from: Tsafack N, Wang X, Xie Y, Fattorini S (2021) Niche overlap and species co-occurrence patterns in carabid communities of the northern Chinese steppes. In: Spence J, Casale A, Assmann T, Liebherr JК, Penev L (Eds) Systematic Zoology and Biodiversity Science: A tribute to Terry Erwin (1940-2020). ZooKeys 1044: 929-949. https://doi.org/10.3897/zookeys.1044.62478
Figure 2 Histograms of expected values (blue bars) for niche overlap in carabid beetle communities of Central Asian steppes using the RA2 algorithm to generate 10,000 null matrices. Investigated ecosystems were a desert steppe (a), a typical steppe (b), a meadow steppe (c), three sectors within the typical steppe (d–f), and two sectors within the meadow steppe (g, h). In each graph, the vertical red line indicates the observed value, long-dash lines indicate the one-tailed 95% limits, and the short-dash lines the two-tailed 95% limits.
Figure 1 from: Tsafack N, Wang X, Xie Y, Fattorini S (2021) Niche overlap and species co-occurrence patterns in carabid communities of the northern Chinese steppes. In: Spence J, Casale A, Assmann T, Liebherr JК, Penev L (Eds) Systematic Zoology and Biodiversity Science: A tribute to Terry Erwin (1940-2020). ZooKeys 1044: 929-949. https://doi.org/10.3897/zookeys.1044.62478
Figure 1 Histograms of expected values (blue bars) for niche overlap in carabid beetle communities of Central Asian steppes using the RA3 algorithm to generate 10,000 null matrices. Investigated ecosystems were a desert steppe (a), a typical steppe (b), a meadow steppe (c), three sectors within the typical steppe (d–f), and two sectors within the meadow steppe (g, h). In each graph, the vertical red line indicates the observed value, long-dash lines indicate the one-tailed 95% limits, and the short-dash lines the two-tailed 95% limits.
Figure 6 from: Aleksandrowicz O (2011) Recent records of steppe species in Belarus, first indications of a steppe species invasion? ZooKeys 100: 475-485. https://doi.org/10.3897/zookeys.100.1541
Figure 6 - Actual catch of Zabrus tenebrioides in Belarus (■ – 2007) and its known distribution in eastern Europe (chequered area).
Figure 5 from: Aleksandrowicz O (2011) Recent records of steppe species in Belarus, first indications of a steppe species invasion? ZooKeys 100: 475-485. https://doi.org/10.3897/zookeys.100.1541
Figure 5 - Actual catch of Harpalus honestus in Belarus (■ – 1997) and its known distribution in eastern Europe (chequered area).
Figure 3 from: Aleksandrowicz O (2011) Recent records of steppe species in Belarus, first indications of a steppe species invasion? ZooKeys 100: 475-485. https://doi.org/10.3897/zookeys.100.1541
Figure 3 - Actual catch of Calosoma denticolle in Belarus (□ – 1988; ■ – 2007) and its known distribution in eastern Europe (chequered area).
Figure 4 from: Aleksandrowicz O (2011) Recent records of steppe species in Belarus, first indications of a steppe species invasion? ZooKeys 100: 475-485. https://doi.org/10.3897/zookeys.100.1541
Figure 4 - Actual catch of Harpalus subcylindricus in Belarus (○ – 1988) and its known distribution in eastern Europe (chequered area).
Data from: The response of root traits to precipitation change of herbaceous species in temperate steppes
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Shortgrass steppe and northern mixedgrass prairie plant species traits
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Figure 1 from: Aleksandrowicz O (2011) Recent records of steppe species in Belarus, first indications of a steppe species invasion? ZooKeys 100: 475-485. https://doi.org/10.3897/zookeys.100.1541
Figure 1 - Biogeographic regions and the geographic location of Belarus.
Figure 2 from: Aleksandrowicz O (2011) Recent records of steppe species in Belarus, first indications of a steppe species invasion? ZooKeys 100: 475-485. https://doi.org/10.3897/zookeys.100.1541
Figure 2 - Actual distribution of Calosoma investigator in Belarus.
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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.