Biodiversity patterns of terrestrial isopods from two island groups in the Aegean Sea (Greece): Species—area relationship, small island effect, and nestedness
Why this work is in the frame
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Bibliographic record
Abstract
Although almost one third of Aegean islands have an area smaller than 1 km2, very few studies have concentrated on this spatial scale. We investigate biodiversity patterns of terrestrial isopods in 2 island groups (Kalymnos and Astypalaia) of the Aegean Sea, consisting mainly of small islands and characterized by different geological histories, isolation, and species source pools. We focus on the species-area relationship (SPAR), community nestedness and the investigation of the small island effect (SIE) in these island groups. The slopes of the SPARs for terrestrial isopods of the 2 groups are almost identical and place the 2 island groups within the intraprovincial category. The SIE investigated was detected in both island groups, with the Kalymnos group exhibiting a higher upper limit (the island size threshold under which an increase of species number with increase of area in small islands is not observed). Both island groups are highly nested and exhibit similar levels of nestedness. Despite the different geological histories, isolation, and source pools, the 2 island groups exhibit great similarity in all the patterns investigated. The islands studied still “behave” as parts of a continuous land mass, with high numbers of species even on the smallest islands, limited net effects of island size, and a significant contribution of the interrelationship between area and environmental heterogeneity to the total species richness.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it