Temat: burrows - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Geneza krzemieni górnego oksfordu w Krzemionkach Opatowskich
Genesis of the Upper Oxfordian flints in Krzemionki Opatowskie, Poland
Autorzy:: Gutowski, P.
Pieńkowski, G.
Powiązania:: https://bibliotekanauki.pl/articles/2077299.pdf
Data publikacji:: 2004
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: krzemionka opatowska
krzemień
shallow water carbonates
decapod burrows
sedimentary discontinuities
Opis:: Early diagenetic concretionary flint nodules from the Upper Oxfordian oolitic and micritic limestones represent silicified crustacean burrows. Their occurence is confined to very shallow carbonate facies of barrier, lagoonal, and tidal flat origin. Fills of crustacean burrows commonly provided a nucleation centre for flint formation and thereby the template on which flint nodule beds were constructed. The reason for the special relationship between flint and crustacean burrows probably lie in the original texture (high permeability) of the burrow networks and also in the organic content (including the microbial assemblages) lowering the pH. Nodule horizons are developed more or less parallel to bedding, to form several widespread horizons of the regional correlative significance.
Źródło:: Volumina Jurassica; 2004, 2, 1; 29-36
1896-7876
1731-3708
Pojawia się w:: Volumina Jurassica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Systemy piętrowych nor krewetek-alfeuszy i ich znaczenie środowiskowe w oksfordzie i kimerydzie Gór Świętokrzyskich
Tiered burrows of alpheid shrimps and their eco-taphonomic significance in the Oxfordian and Kimmeridgian of the Holy Cross Mountains
Autorzy:: Radwańska, U.
Radwański, A.
Powiązania:: https://bibliotekanauki.pl/articles/2077296.pdf
Data publikacji:: 2004
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: kimeryd
oksford
Bałtów
szkarłupnie
krewetki
alpheid burrows
echinoderms
sedimentary and taphonomic traps
storm agitation
Oxfordian
Kimmeridgian
Opis:: To the activity of alpheid shrimps genus Alpheus Weber, 1795) ascribed are the tiered burrows of a gridlike appearance from Lower Kimmeridgian oolitic shoals and Middle Oxfordian nearshore micritic limestones of the Holy Cross Mountains, Central Poland. The burrow networks are confined to beds of the soft or hard bottom type, the upper parts of which are more or less deeply truncated, to indicate erosional events of storm agitation. At low stand, the open burrows served as traps for solutions derived from the nearby hypersaline lagoons of the sabkha type, to cause precipitation either of dolomite, or of silica gel. At high stand, the open burrows, exemplified by the Małogoszcz section (Lower Kimmeridgian), became taphonomic traps and/or crevice habitats for diverse biota, the echinoderms in particular, to form their graveyards (EchinodermenlagerstŹtten). In these, represented are echinoids (tests, some spine-coated, all either empty, or sediment-filled; broken tests and their fragments, spines) stalkless crinoids (cusps, centrodorsals, radials, brachials, cirrals), stalked crinoids (columnals, pluricolumnals), starfish (marginalia, ambulacral plates), and ophiuroids (vertebrae, arm plates). Eco-taphonomic pathways for particular echinoderms (21 taxa taxonomically recognised) are interpreted since their death to burial in open burrows. Spine-coated echinoids were entrapped alive, others were swept into during successive storms which acted as a lethal agent. The storms, catastrophic for echinoderm communities, have prevailed through a longer timespan, when the alpheid-burrowed shoal evolved from the soft bottom to the hard ground colonized by a successive echinoderm community dominated by stalked crinoids.
Źródło:: Volumina Jurassica; 2004, 2, 1; 113-130
1896-7876
1731-3708
Pojawia się w:: Volumina Jurassica
Dostawca treści:: Biblioteka Nauki

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Tytuł:: Wpływ kopania i użytkowania nor przez borsuki (Meles meles) i lisy (Vulpes vulpes) na właściwości gleby i roślinność
Effects of burrowing and burrow usage by badgers (Meles meles) and foxes (Vulpes vulpes) on soil properties and vegetation
Autorzy:: Kurek, P.
Kapusta, P.
Holeksa, J.
Powiązania:: https://bibliotekanauki.pl/articles/990950.pdf
Data publikacji:: 2014
Wydawca:: Polskie Towarzystwo Leśne
Tematy:: zwierzeta dziko zyjace
borsuk
Meles meles
lis pospolity
Vulpes vulpes
nory zwierzat
oddzialywanie na srodowisko
gleby lesne
sklad granulometryczny
odczyn gleby
zawartosc wegla
zawartosc azotu
sklad chemiczny
zawartosc pierwiastkow
runo lesne
zmiany skladu gatunkowego
burrows
disturbances
carnivorous mammals
soil properties
vegetation changes
endozoochory
Opis:: In this study effects of burrowing by badgers and foxes on forest soil and vegetation were examined. Burrow digging resulted in increasing topsoil alkalinity and changing the availability of some nutrients. Soil disturbances supported higher diversity of herbaceous and woody plants, and favoured the occurrence of fugitive and nutrient demanding species. Badgers had stronger impact on soil and vegetation than foxes.
Źródło:: Sylwan; 2014, 158, 03; 221-230
0039-7660
Pojawia się w:: Sylwan
Dostawca treści:: Biblioteka Nauki

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