Rapid urbanisation processes in developing countries often proceed unchecked,leading to the conversion of agricultural and forest areas to meet housing needs.A greater understanding of the interactions between agricul...Rapid urbanisation processes in developing countries often proceed unchecked,leading to the conversion of agricultural and forest areas to meet housing needs.A greater understanding of the interactions between agriculture,conservation and urban areas is required to support the sustainable development of the Sakarya Central Planning Region(SCPR),Türkiye.In this study,we developed a criteria hierarchy consisting of goals,objectives,and subobjectives to identify land use conflicts(LUCs)and land use preferences(LUPs)among agriculture,conservation and urban categories of the SCPR during 2018–2023.Then,we modelled this criteria hierarchy,based on the Land Use Conflict Identification Strategy(LUCIS)model,using the ModelBuilder tool.Finally,we used the conflict cube to identify the relationship among these three land use categories.The results show that LUCs occurred in 21.16%(30730.0 ha)of the SCPR,with 10.63%(15431.0 ha)corresponding to large conflict zones where agricultural,conservation,and urban preferences overlap simultaneously.The distribution of moderate conflicts was quantified as 3.82%(5553.0 ha)for agriculture-urban,3.43%(4987 ha)for agriculture-conservation,and 3.28%(4757.0 ha)for conservation-urban interactions.In contrast,66.36%(96371.0 ha)of the area was classified as no-conflict LUPs.In these zones,agricultural preference accounts for 26.53%(38526.7 ha),conservation preference accounts for 36.01%(52292.7 ha),and urban preference accounts for 3.82%(5551.6 ha),with each category showing its own reserve areas for its own use.Existing settlement,conservation and open water areas where no conflicts were investigated,totalling 12.48%(18130.3 ha),were masked.The findings demonstrate that urban sprawl pressure is particularly concentrated on the fertile agricultural lands of the SCPR and the protected areas along the shores of Lake Sapanca.This study provides a scientific framework for sustainable future goals by identifying conflicts and preferences in the SCPR.展开更多
Sugarcane is a primary sugar crop and an important source of bioenergy.Pathogens are the major factors affecting sugarcane yield and sugar content.However,the mechanisms of sugarcane defense regulation remain largely ...Sugarcane is a primary sugar crop and an important source of bioenergy.Pathogens are the major factors affecting sugarcane yield and sugar content.However,the mechanisms of sugarcane defense regulation remain largely unknown,and research on prospective genetic targets for modification is scarce.As the main class of calcium sensors,calcium-dependent protein kinases(CDPKs/CPKs)play a crucial role in the immune regulatory network.Using sugarcane genomic data,we identified 229 putative ScCDPKs in primordial specie Saccharum officinarum.Searching the putative CDPKs in sugarcane cultivars from National Center for Biotechnology Information(NCBI),12 putative ScCDPKs in cultivars were identified.Phylogenetic analysis revealed evolutionary relationships among these CDPKs in sugarcane cultivars and those in S.officinarum,Arabidopsis thaliana,and rice.Truncation mutants of ScCDPKs were introduced into the reporter system and examined for activity in inducing Sugarcane Pathogenesis Related Protein 1(ScPR1).The results showed that truncated ScCDPK1 and ScCDPK8 induce higher expression of ScPR1 than full-length ScCDPK1 and ScCDPK8.Additionally,transient expression of truncated ScCDPK1 and ScCDPK8 exhibit stronger activity in sugarcane protoplasts for activation of ScPR1 and sugarcane Serine Protease Inhibitor(ScSPI).These results demonstrate that ScCDPK1 and ScCDPK8 possess auto-inhibitory activity.The findings of this study provide a basis for an indepth study of the sugarcane CDPK gene family and lay the foundation for further genetic improvement.展开更多
文摘Rapid urbanisation processes in developing countries often proceed unchecked,leading to the conversion of agricultural and forest areas to meet housing needs.A greater understanding of the interactions between agriculture,conservation and urban areas is required to support the sustainable development of the Sakarya Central Planning Region(SCPR),Türkiye.In this study,we developed a criteria hierarchy consisting of goals,objectives,and subobjectives to identify land use conflicts(LUCs)and land use preferences(LUPs)among agriculture,conservation and urban categories of the SCPR during 2018–2023.Then,we modelled this criteria hierarchy,based on the Land Use Conflict Identification Strategy(LUCIS)model,using the ModelBuilder tool.Finally,we used the conflict cube to identify the relationship among these three land use categories.The results show that LUCs occurred in 21.16%(30730.0 ha)of the SCPR,with 10.63%(15431.0 ha)corresponding to large conflict zones where agricultural,conservation,and urban preferences overlap simultaneously.The distribution of moderate conflicts was quantified as 3.82%(5553.0 ha)for agriculture-urban,3.43%(4987 ha)for agriculture-conservation,and 3.28%(4757.0 ha)for conservation-urban interactions.In contrast,66.36%(96371.0 ha)of the area was classified as no-conflict LUPs.In these zones,agricultural preference accounts for 26.53%(38526.7 ha),conservation preference accounts for 36.01%(52292.7 ha),and urban preference accounts for 3.82%(5551.6 ha),with each category showing its own reserve areas for its own use.Existing settlement,conservation and open water areas where no conflicts were investigated,totalling 12.48%(18130.3 ha),were masked.The findings demonstrate that urban sprawl pressure is particularly concentrated on the fertile agricultural lands of the SCPR and the protected areas along the shores of Lake Sapanca.This study provides a scientific framework for sustainable future goals by identifying conflicts and preferences in the SCPR.
基金supported by grants from the CAS Projects for Young Scientists in Basic Research(YSBR-080)the Strategic Priority Research Program of the Chinese Academy of Sciences(XDA0450000)+1 种基金the Chinese Natural Science Foundation(32200241)the Special Fund for Science and Technology Innovation Teams of Shanxi Province(202204051001020).
文摘Sugarcane is a primary sugar crop and an important source of bioenergy.Pathogens are the major factors affecting sugarcane yield and sugar content.However,the mechanisms of sugarcane defense regulation remain largely unknown,and research on prospective genetic targets for modification is scarce.As the main class of calcium sensors,calcium-dependent protein kinases(CDPKs/CPKs)play a crucial role in the immune regulatory network.Using sugarcane genomic data,we identified 229 putative ScCDPKs in primordial specie Saccharum officinarum.Searching the putative CDPKs in sugarcane cultivars from National Center for Biotechnology Information(NCBI),12 putative ScCDPKs in cultivars were identified.Phylogenetic analysis revealed evolutionary relationships among these CDPKs in sugarcane cultivars and those in S.officinarum,Arabidopsis thaliana,and rice.Truncation mutants of ScCDPKs were introduced into the reporter system and examined for activity in inducing Sugarcane Pathogenesis Related Protein 1(ScPR1).The results showed that truncated ScCDPK1 and ScCDPK8 induce higher expression of ScPR1 than full-length ScCDPK1 and ScCDPK8.Additionally,transient expression of truncated ScCDPK1 and ScCDPK8 exhibit stronger activity in sugarcane protoplasts for activation of ScPR1 and sugarcane Serine Protease Inhibitor(ScSPI).These results demonstrate that ScCDPK1 and ScCDPK8 possess auto-inhibitory activity.The findings of this study provide a basis for an indepth study of the sugarcane CDPK gene family and lay the foundation for further genetic improvement.
