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12 results for “Biodiversity crisis”
Biogeographic data for "The marine biodiversity impact of the Late Miocene Mediterranean salinity crisis"
<p>Lists of species that were present in the Mediterranean Sea both in the pre-evaporitic Messinian and the Zanclean (based on https://doi.org/<a href="../doi/10.5281/zenodo.10782428">10.5281/zenodo.10782428</a>), biogeographic information on their presence outside the Mediterranean, and accordingly their status as either "possible endemic" to the Mediterranean or "non-endemic" if they were also found outside the basin.</p> <p>In this version, we added also the list of species present in the Mediterranean Sea in the pre-evaporitic Messinian that can be considered possible endemics, based on the same rule, and the indication if they survived the MSC.</p>
Fig. 7 in Mollusc biodiversity in late Holocene nearshore environments of the Caspian Sea: A baseline for the current biodiversity crisis
Fig. 7. Late Holocene Novocaspian gastropod species from Turali, with indication of sample and collection number. A Clathrocaspia gmelinii: M0203, RGM.1309848 B Clessiniola variabilis: M0204, RGM.1309864 C Ecrobia grimmi: M0202, RGM.1309863 D Laevicaspia sieversii: M0204, RGM.1309849 E Laevicaspia kolesnikoviana: M0221, RGM.1309850 F Laevicaspia conus: M0204, RGM.1309851 G Turricaspia spica: M0202, RGM.1309858 H Turricaspia sp. indet. M0222, RGM.962401. I Abeskunus brusinianus: low morph, M0204, RGM.962355 J Abeskunus brusinianus: high morph, M0204, RGM.962355 K Theodoxus pallasi: M0204, RGM.130985, L. Theodoxus pallasi: M0220, RGM.1309862, M Abeskunus exiguus, M0204, RGM.962357. Scale bars 1 mm.
Fig. 6 in Mollusc biodiversity in late Holocene nearshore environments of the Caspian Sea: A baseline for the current biodiversity crisis
Fig. 6. Late Holocene Novocaspian bivalve species from Turali, with indication of sample and collection number. LV displayed on the left, RV on the right. A–B Adacna laeviuscula (Eichwald, 1829). A M0222, RGM.962359 B M0222, RGM.962358 C–D Adacna vitrea (Eichwald, 1829) C M0221, RGM.962360 D M0221, RGM.962361 E–F Hypanis plicata (Eichwald, 1829) E M0221, RGM.962362 F M0221, RGM.962363 G–H Monodacna albida (Logvinenko & Starobogatov, 1967) G M0202, RGM.962364 H M0202, RGM.962365 I–J Monodacna caspia (Eichwald, 1829) I M0204, RGM.962367 J M0205, RGM.962368 K–L Monodacna semipellucida (Logvinenko & Starobogatov, 1967) K M0222, RGM.962369 L M0222, RGM.962370 M–N Dreissena caspia (Eichwald, 1855) M M0222, RGM.962371 N M0202, RGM.962372 O–P Dreissena elata (Andrusov, 1897) O M0203, RGM.962375 P M0221, RGM.962376 Q–R Dreissena grimmi (Andrusov, 1890) Q M0203, RGM.962374 R M0202, RGM.962373. Scale bars 5 mm.
Fig. 2 in Mollusc biodiversity in late Holocene nearshore environments of the Caspian Sea: A baseline for the current biodiversity crisis
Fig. 2. Schematic representation of sections Turali 1-3. Asterisks (*) denote calibrated 14C ages BP. Small case letters refer to sedimentary units: a. eastwards-dipping bay fill, b. eastwards-dipping bay fill, c. sand with shells along eastward-dipping foresets, d. deformed laminated silts and sands, e. massive gravel beds, f. coarsegrained pebble lag, g. slightly dipping sand layers with shells, h. low-angle clinoforms with pebbles and shells, i. stratified silt stone, lagoonal, j. silt layer with shells, k. Aeolian interval, l. stratified silt stone, lagoonal.
Fig. 3 in Mollusc biodiversity in late Holocene nearshore environments of the Caspian Sea: A baseline for the current biodiversity crisis
Fig. 3. Paired Didacna eichwaldi (Turali-2, sample M0205) exposed just below the water table of the Great Turali Lake. Width of the shells approximately 2 cm. Photograph SBK, 2002.
Fig. 8 in Mollusc biodiversity in late Holocene nearshore environments of the Caspian Sea: A baseline for the current biodiversity crisis
Fig. 8. Reconstruction of Turali Bay, c. 2300 calyr BP. The palaeocoastline is approximatly based on the estimated lake level reconstructed for the time of deposition.
Fig. 5 in Mollusc biodiversity in late Holocene nearshore environments of the Caspian Sea: A baseline for the current biodiversity crisis
Fig. 5. Late Holocene Novocaspian bivalve species from Turali, with indication of sample and collection number. LV displayed on the left, RV on the right. A–B Cerastoderma sp. A [non C. rhomboides (Lamarck, 1819)] A M0215, RGM.961896 B M0215, RGM.962391 C–D Cerastoderma glaucum (Bruguière, 1789) C M0216, RGM.962390 D M0216, RGM.962389 E–F Didacna baeri (Grimm, 1877) E M0204, RGM.962379 F M0204, RGM.962380 G–H Didacna eichwaldi (Krynicki, 1837) G M02-05, RGM.961900 H M02-05, RGM.961900 I–J Didacna parallela (Bogachev, 1932) I M0202, RGM.962383 J M0202, RGM.962384 K–L Didacna protracta (Eichwald, 1841) K M0202, RGM.962386 L M0222, RGM.962385 M–N Didacna pyramidata (Grimm, 1877) M M0202, RGM.962387 N M0222, RGM.962388 O–P Didacna trigonoides (Pallas, 1771) O M0215, RGM.962378 P M0215, RGM.962377. Q–R Didacna barbotdemarnii (Grimm, 1877) Q M0222, RGM.962420 R M0221, RGM.962421. Scale bars 5 mm.
Fig. 9 in Mollusc biodiversity in late Holocene nearshore environments of the Caspian Sea: A baseline for the current biodiversity crisis
Fig. 9. Box core residue (sample M0267, c. 2 km off shore Turali at a water depth of 9.4 m) separated into the dark Novocaspian (left) and light 20th Century (right) fractions defined in the text. Largest shell c 1.5 cm across.
Fig. 4 in Mollusc biodiversity in late Holocene nearshore environments of the Caspian Sea: A baseline for the current biodiversity crisis
Fig. 4. Rarefaction curves of the Turali samples with 95% confidence interval and extrapolated species richness for double sample size.
Fig. 1 in Mollusc biodiversity in late Holocene nearshore environments of the Caspian Sea: A baseline for the current biodiversity crisis
Fig. 1. Geographic context of study site. (a) Map of the Caspian Sea. Source bathymetry: Kostianoy et al. (2005): Fig. 1 (p. 7). (b) Location of the outcrops treated in this paper. Tu1-Tu5 represent outcrops Turali 1-5. Brown ridges are Holocene Novocaspian beach barriers (see Kroonenberg et al., 2007). (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
Data from: The role of governance in rewilding the United States to stem the biodiversity crisis
<p class="p1">A critical, yet underattended, feature of the biodiversity crisis is the contraction of geographic range experienced by most studied terrestrial vertebrates. In the United States, the primary policy tool for mitigating the biodiversity crisis is the Endangered Species Act (ESA). For the past two decades, the federal agencies that administer the ESA have interpreted the act in a manner that precludes treating this geographic element of the crisis. Therefore, the burden of mitigating the biodiversity crisis largely falls on state wildlife agencies, which are obligated to operate on behalf of the interests of their constituents. We present survey research indicating that most constituents expect state agencies to prioritize species restoration over other activities, including hunting. This prioritization holds even among self-identified hunters, which is significant since state agencies often take the provisioning of hunting opportunities as their top priority. By prioritizing rewilding efforts that restore native species instead, state agencies could unify hunting and non-hunting constituents while simultaneously stemming the biodiversity crisis.</p>
Data from: The role of governance in rewilding the United States to stem the biodiversity crisis
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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