由于具有提高沙土的稳定性和保水性等特征,复合高吸水性固沙材料在荒漠化土地治理方面具有一定的潜力和应用前景。研究了蓝藻结皮在不同比例凹凸棒基高分子固沙材料中的生长状态和生理特性。结果表明:蓝藻结皮与经4 mol·L-1硫酸改性后的凹凸棒基高分子固沙材料以1∶3质量比配比生长情况最佳;比较了复配材料喷洒量为400、500g·m-2处理下蓝藻叶绿素a、丙二醛、可溶性蛋白及可溶性糖含量等生理指标,喷洒量为500 g·5m-2的蓝藻结皮与经4 mol·L-1硫酸改性后的凹凸棒基高分子固沙材料生理特性较好。
Due to its ability to improve sand stability and water retention, composite superabsorbent sand-fixation material was used in desertification control and restoration. The state of growth and physiological characteristics of cyanobacterial soil crusts, which were mixed with a sand-fixation material based on 4 mol·L-1H2SO4 modified attapulgite with different mass ratio, were investigated. The results showed that the optimal ratio of cyanobacterial soil crusts to the sand-fixation material was 1∶3. The content of chlorophyll(a), soluble protein and soluble sugar were higher when the concentration of the mixed material was 500 g·m-2 in comparison to 400 g·m-2.
[1] 王银梅,韩文峰,湛文武.对在沙漠地区应用化学固沙剂固沙的探讨[J].灾害学,2003,18(4):1-5.
[2] 鲍婧婷,王进,陈翠云.固沙植被区生物土壤结皮中蓝藻群落的多样性[J].中国沙漠,2015,35(6):1592-1598.
[3] 杨丽雯,周海燕,樊恒文,等.沙坡头人工固沙植被生态系统土壤恢复研究进展[J].中国沙漠,2009,29(6):1116-1122.
[4] 周明吉,周玉生,孙加量,等.我国固沙材料研究及应用现状[J].材料导报,2012(26):332-334.
[5] 韩彩霞,张炳昌,张远明,等.古尔班通古特沙漠南缘苔藓结皮中可培养真菌的多样性[J].中国沙漠,2016,36(4):1050-1055.
[6] 严亮,杨久俊.新型化学固沙材料的研究现状及其展望[J].材料导报,2009,23(3):51-54.
[7] 赵卓.民勤荒漠人工治理地区荒漠藻类分布组成和种质保藏的研究[D].兰州:兰州理工大学,2013.
[8] Wintermans J,De Mots A.Spectrophotometric characteristics of chlorophylls a and b and their phenophytins in ethanol[J].Biochimica et Biophysica Acta (BBA)-Biophysics including Photosynthesis,1965,109(2):448-453.
[9] Fryer M J,Andrews J R,Oxborough K.Relationship between CO2 assimilation,photosynthetic electron transport,and active O2 metabolism in leaves of maize in the field during periods of low temperature[J].Plant Physiology,1998,116(2):571-580.
[10] 李合生.植物生理生化实验原理和技术[M].北京:高等教育出版社,2000:182-184.
[11] 邵玺文,韩梅,韩忠明,等.不同生境条件下黄芩光合日变化与环境因子的关系生[J].生态学报,2009,29(3):1470-1477.
[12] 刘丽丽,张文会,范颖伦,等.不同剂量UV-B辐射对冬小麦幼苗形态及生理指标的影响[J].生态学杂志,2010,29(2):314-318.
[13] 宋玉芝,孔繁璠,王敏,等.光照强度及附植藻类对狐尾藻生理指标的影响[J].农业环境科学学报,2015,34(2):233-239.
[14] 饶本强,黄斌,陈坤,等.外源糖对爪哇伪枝藻低温胁迫耐受性的影[J].信阳师范学院学报:自然科学版,2010,23(3):384-388.
[15] 康俊梅,杨青川,樊奋成.干旱对苜蓿叶片可溶性蛋白的影响[J].草地学报,2005,13(3):199-202.
[16] 王海梅.高温胁迫对河套灌区玉米生理指标及产量构成要素的影响[J].干旱气象,2015(1):59-62.
[17] 吴沛沛,饶本强,郝宗杰,等.高温培养条件下爪哇伪枝藻的生理特性和超微结构特征[J].水生生物学报,2012,36(4):735-743.
[18] 杨东,张红,陈丽萍,等.温度胁迫对10种菊科杂草丙二醛和可溶性糖的影响[J].四川师范大学学报:自然科学版,2007,30(3):391-394.