Evaluation of using soil seed bank and commercial seeds in nature revegetation

Koh, Jeung-Hyun; Ueda, Toru; Morimoto, Yukihiro; Shibata, Shozo

doi:10.7211/jjsrt.32.62

Cited by 3 publications

(2 citation statements)

References 12 publications

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“…After inputting ranges of each parameter in the Box-Behnken central composite, experimental tests can be designed automatically. As shown in Table 1, the number of added tree seeds was between 100 and 300 seeds/m 2 (Mo, 2012), the thickness of surface soil was from 1 to 5 cm (Koh et al, 2006;Jimmon et al, 2000;Hosogi et al, 2003), and the thickness of the covering was from 1 to 5 cm (Yamabe and Watanabe, 2004;Li et al, 2007). The ranges for each parameter were determined according to domestic and foreign research results.…”

Section: Experimental Design and Data Analysismentioning

confidence: 99%

Optimization of application parameters of soil seed bank in vegetation recovery via response surface methodology

2015

Ecological Engineering

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Section: Experimental Design and Data Analysismentioning

confidence: 99%

Optimization of application parameters of soil seed bank in vegetation recovery via response surface methodology

2015

Ecological Engineering

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“…Successful projects using SSBs for landscape engineering in slopes or dams were mainly carried out in Japan [ 10 – 12 ] and this method was called the “Surface Soil Greening Method” [ 13 ]. Some typical engineering cases examined were: The topsoil spraying for the Mino River Dam natural recovery [ 14 ]; the revegetation method using topsoil seed banks in Yakushima Island [ 15 ].…”

Section: Introductionmentioning

confidence: 99%

Analysis on Soil Seed Bank Diversity Characteristics and Its Relation with Soil Physical and Chemical Properties after Substrate Addition

He¹,

Lv²,

Li³

et al. 2016

PLoS ONE

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AimsConsidered as an essential measure in the application of soil seed bank (SSB) projects, the mixing of substrate and surface soil can effectively improve soil condition. This research is aimed at exploring the diversity characteristics of SSBs and the relationships between SSBs and soil properties.MethodsCanonical correspondence analysis (CCA) was adopted to describe the ordination of SSBs on soil properties’ gradients; multiple linear regressions were adopted to analyze the relationship between average growth height and soil properties, density and soil properties.ResultsExperimental groups of mixed substrate (the mixture of organic and inorganic substrates) had high diversity indexes, especially the Shannon-Wiener Index compared with those of single substrate. Meanwhile, a higher number of species and increased density were also noted in those of mixed substrate. The best test group, No.16, had the highest diversity indexes with a Shannon-Wiener of 1.898, Simpson of 0.633 and Pielou of 0.717, and also showed the highest density of 14000 germinants /m2 and 21 species. In addition, an improvement of the soil’s chemical and physical properties was noted when the substrates were mixed. The mixed substrate of turfy soil and perlite could effectively enhance the soil moisture content, whilst a mixed substrate of rice husk carbon and vermiculite could improve the content of available potassium (AK) and phosphorus (AP) and strengthen soil fertility. The germinated plants also reflected obvious regularities of ordination on soil factor gradients. Three distinct cluster groups were presented, of which the first cluster was distributed in an area with a relatively higher content of AK and AP; the second cluster was distributed at places with relatively higher soil moisture content; and the third cluster of plants didn’t show any obvious relationship with soil physical and chemical properties. Through CCA analysis, AK and AP were considered the most important soil factors to influence the SSB, which was illustrated in regression analysis with a high correlation coefficient when dependent values were growth height and density respectively. The linear regression equations with: growth height = 142.728 − 1.514TC + 30.218AP − 5.083TN + 10.839AK + 1.234mc; density = −68.216 − 4.609TC + 9.566AP − 35.492TN + 19.779AK − 1.591mc.were established by multiple linear regression.Conclusions(1) The mixed substrates showed a greater advantage for SSBs than single substrates, both in improving the number of species, density and diversity indexes. (2) The germinated plants reflected an obvious preference to different soil conditions, which different mixed substrates could improve accordingly. (3) AK, AP were important soil factors to influence SSBs, especially in the growth of plants and density.

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Competence of forest topsoil as revegetation material after stockpiling for one year

Hosogi¹,

Matsue²

2009

J.Jpn.Soc.Reveget.Tech.

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The forest topsoil that is able to gather at land development and include seed bank abundantly has competence as revegetation material. We examined the methods of forest topsoil stockpiling as revegetation material. The methods stockpiling in the outdoors by banking were examined. In addition, the method stockpiling indoors in air drying condition and in moist condition by sealing with plastic bag were examined. The stockpiling period was set in one year. Concerning stockpiling by banking in the outdoors, the topsoil that decreased buried viable seed density mostly was stockpiled in 1.5 m depth of banking covered with tarp. However, the number of 88.2% of buried viable seeds remained in this topsoil compared with the no stockpiled topsoil. The number was higher than ones of the existing result of artificial slope revegetation examination using forest topsoil. Therefore, it was concluded that the stockpiling topsoil was able to use for revegetation sufficiently. It was suggested that the topsoil stockpiling for one year by banking was able to use for revegetation, if the topsoil was included the enough amount of buried viable seeds before stockpiling. Moreover, it was concluded that the topsoil stockpiled indoors in air drying condition and in sealing moist condition was able to be used for revegetation. These results are available in revegetation using topsoil that is able to be obtained in development of forest area.

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Evaluation of using soil seed bank and commercial seeds in nature revegetation

Cited by 3 publications

References 12 publications

Optimization of application parameters of soil seed bank in vegetation recovery via response surface methodology

Optimization of application parameters of soil seed bank in vegetation recovery via response surface methodology

Analysis on Soil Seed Bank Diversity Characteristics and Its Relation with Soil Physical and Chemical Properties after Substrate Addition

Competence of forest topsoil as revegetation material after stockpiling for one year

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