Standard: As we explained before, a standard DVD burner is able to burn more than 120 minutes on a DVD, and the maximum recording time for a 4.7 GB DVD is 2.5h. Similarly, it lets you burn more than 8.5 GB to a dual-layer disc, the time up to 4h.
maxim dl 5.18
The maximum number of observers is concentrated in the largest cities of Russia and their metropolitan areas - Moscow with Moscow Oblast and St. Petersburg with Leningrad Oblast (Table 15), followed by Krasnodar Krai and the Crimea, two resort regions on the Black Sea coast, which attract millions of tourists. Large communities have also formed in other major cities of Russia, for example, Nizhny Novgorod and Ekaterinburg (Sverdlovsk Oblast). Despite the geographic proximity of Moscow Oblast and the City of Moscow, they have two different communities, which overlap only by 33.4%. A similar situation is observed in St. Petersburg and Sevastopol. The communities of observers in St. Petersburg and Leningrad Oblast overlap by 37.0%, whereas in the Crimea and Sevastopol by 32.0%.
More than 10K people and about 4K identifiers have participated in the data collection and curation within this dataset. We would like to thank other active observers and identifiers from iNaturalist: afid, alchemillist, alexander_baransky, alina_kondratieva, almantas, arslan_tatamov, bobwardell, dakileno, davydovbotany, dryomys, evelina_ishmukhametova, evgeniy_benikhanov, fedor_kondrachuk, frontova, fylatra, fyodorkhomenko, gen_ok, ggularijants, hln_m_t, igor_olshanskyi, kai_schablewski, karavan-altay, kemper, korobkov, kosienkov_konstantin, laukines_pievos, lenatara, lilia_rakitianskaia, margosha, mariendistel, marina-privalova, max_carabus, mitchella_1, mobbini, natalya1406, naturalist19164, naturalist25051, naturalist31744, naturalist7664, nellysemenova, ocanire, olegdavydov, pavel_yevseyenkov, plrays, polemoniaceae, ppllaannttss_, roman_romanov, roman-evseev, sansan_94, schneider414, sergejseleznev, sergii_kudlaenko, sergilus, skuch, snsergeevna, sokolkov2002, stepangrebnev2005, stephen54, thilokrueger, tiggrx, tmaximo, trichocereus, ulrichs, valeria_reshetnikova, vikaryabkova, viktoria, viktoriaf, vikula_bludov, v-lad, waldemarzeja, wojciech, wojtest, wolfgangb, yayemaster, yriysokolov73, zdekanovkov and zemleved. This list includes (1) members of the project who decided to be neither contributors nor co-authors of the data paper (or left a proposal unanswered); (2) schoolchildren; (3) naturalists who either did not join or left our community. Their contribution and expertise are highly appreciated. 2ff7e9595c
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