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The ultrastructure of the midgut epithelium of Telodeinopus aoutii (Myriapoda, Diplopoda)

100%

Kszuk-Jendrysik M., Sosinka A., Rost-Roszkowska M., Poprawa I., Hyra M., Sonakowska L., Kaminska K., Vilimova J., Tajovsky K.

Acta Biologica Cracoviensia. Series Botanica. Supplement

2014

tom 56

nr 1

Influence of grazing exclusion on soil macro-invertebrate diversity in degraded sandy grassland (Inner Mongolia, China)

84%

Liu R.-T., Zhao H.-L., Zhao X.-Y.

Polish Journal of Ecology

2012

tom 60

nr 2

In arid and semi-arid areas, heavy grazing combined with climate change cause land degradation (e.g., desertification). Grazing management is essential for ecosystem recovery and desertification control in these areas, including Northern China’s Horqin Sandy Land. However, the recovery of soil faunal community during grazing exclusion is unknown. We examined plant and soil macro-invertebrate community structure together with soil properties in three treatments in a representative degraded Horqin sandy grassland: exclosure for 15 and 10 years (15EX and 10EX) and long-term continuous grazing (CG). The vegetation cover and height increased significantly and soil bulk density decreased significantly along the gradient from CG to 15EX, but there were no significant differences in soil pH, electrical conductivity, organic carbon and total nitrogen. Soil macro-invertebrate abundance, group richness and diversity increased along the gradient from CG to 15EX, with significant differences in invertebrate abundance and group richness between CG and 15EX; there was no significant differences between CG and 10EX. There were no significant differences in soil macro- invertebrate diversity and evenness between these three treatments. These results suggested that grazing exclusion for at least 15 years might be necessary for the recovery of these fauna. The vegetation height and the soil electrical conductivity, organic carbon, and total nitrogen determined the distribution and community structure of soil macro-invertebrates. Some faunal groups lived in specific habitats due to strong adaptation to different management practices. For example, the Thomisidae, Philodromidae, Salticidae, and Rhopalidae tended to live in habitats with tall vegetation. The Lygaeidae, Miridae, Teneberionidae, and Linyphiidae adapted to live in soil with low soil organic carbon and nitrogen (ungrazed grassland).

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Soil concentration of C and N shaped by long-term unidirectional fertilization versus noxious soil macrofauna

84%

Sadej W., Sadej W., Rozmyslowicz R.

Journal of Elementology

2008

tom 13

nr 3

Unidirectional fertilization, if applied for many years, has a strong and sometimes negative effect on soil and natural environment. Such fertilization can cause unfavourable processes including humus degradation, the leaching of nutrients (mainly nitrogen), soil erosion as well as accumulation of weed seeds, pathogens and plant pests. In the last ten years threats caused to agricultural habitats by noxious soil macrofauna, particularly polyphagous insects representing Agrotinae, Elateridae, Scarabaeidae and Tipilidae, have become more explicit. Long-term unidirectional organic or mineral fertilization applied in a long-term static experiment established in 1972 on grey-brown pozdolic soil caused elevated concentrations of organic carbon and total nitrogen in soil. The highest increase was observed when farmyard manure had been used. Unidirectional application of organic fertilizers in rates balanced for the amount of nitrogen added to soil (rate I of liquid manure and FYM), when carried out for many years, caused a significant increase in the density of soil macrofauna. Fertilization with liquid manure balanced with FYM in terms of organic carbon added to soil as well as with mineral fertilizers did not favour presence of macrofauna.

Ograniczanie wyników

1 Acta Biologica Cracoviensia. Series Botanica. Supplement

1 Journal of Elementology

1 Polish Journal of Ecology

1 Hyra M.

1 Kaminska K.

1 Kszuk-Jendrysik M.

1 Liu R.-T.

1 Poprawa I.

1 Rost-Roszkowska M.

1 Rozmyslowicz R.

1 Sadej W.

1 Sonakowska L.

1 Sosinka A.

1 Tajovsky K.

1 Vilimova J.

1 Zhao H.-L.

1 Zhao X.-Y.

1 2014

1 2012

1 2008

Wyniki wyszukiwania

The ultrastructure of the midgut epithelium of Telodeinopus aoutii (Myriapoda, Diplopoda)

Influence of grazing exclusion on soil macro-invertebrate diversity in degraded sandy grassland (Inner Mongolia, China)

Soil concentration of C and N shaped by long-term unidirectional fertilization versus noxious soil macrofauna