\begin{table}%t1 \caption{\label{table:1}Molecular cloud properties and the derived parameters.} \small%\centerline { \begin{tabular}{lcccccc} \hline \hline\noalign{\smallskip} Cloud & $D$$^a$ & $M_{\rm H2} \times 10^4$ & $\overline{A_V}$ & $\sigma_{\rm data}$ & $\sigma_{\rm fit}$ & $N_{\rm \rm YSO}$$^b$ \\ \hline \multicolumn{6}{c}{Star-forming clouds, physical resolution 0.1 pc}\\ \hline\noalign{\smallskip} \object{Ophiuchus} & 119$^1$ & 0.6 & 2 & 4.3 & 0.48$^c$& 300 \\ \object{Taurus} & 140$^2$ & 0.81 & 1.8 & 1.5 & 0.49 & 300 \\ \object{Serpens} & 259$^{3}$ & 3.6 & 3 & 2.4 & 0.51 & 300 \\ \object{Cha I} & 165$^4$ & 0.23 & 1.3 & 1.3 & 0.35 & 200 \\ \object{Cha II} & 150$^4$ & 0.15 & 1.3 & 1.0 & 0.35 & 50 \\ \object{Lupus III} & 155$^1$ & 0.11 & 1.3 & 0.9 & 0.35$^c$ & 50 \\ \object{CrA cloud} & 129$^5$ & 1.2 & 0.8 & 1.0 & 0.44 & tens \\ \object{Lupus I} & 155$^1$ & 0.29 & 1.0 & 0.7 & 0.43 & tens \\ \object{LDN1228}$^d$ & 200$^{6}$ & 0.23 & 1.1 & 0.7 & 0.32 & tens \\ \object{Pipe} & 130$^7$ & 0.95 & 2.5 & 1.4 & 0.29$^c$ & 15 \\ \object{LDN134} & 100$^{8}$ & 0.13 & 1.2 & 0.6 & 0.39 & a few \\ \object{LDN204}$^d$ & 119$^1$ & 0.43 & 1.9 & 0.8 & 0.41 & a few \\ \object{LDN1333}$^d$ & 180$^9$ & 0.57 & 1.2 & 0.5 & 0.38 & a few \\ \hline \multicolumn{6}{c}{Non-star-forming clouds, physical resolution 0.1 pc}\\ \hline \noalign{\smallskip} %LDN1358 & 258, cf. Kun 2008 & 0.64 & 1.7 & 0.9 & 0.38 \\ \object{LDN1719}$^d$ & 120$^4$ & 0.53 & 0.6 & 0.7 & 0.50 & \\ \object{Musca} & 150$^4$ & 0.07 & 1.0 & 0.7 & 0.45 & \\ \object{Cha III} & 150$^4$ & 0.18 & 1.3 & 0.8 & 0.46 & \\ %LDN673 & 300 & & & & \\ \object{Coalsack} & 150$^{10}$ & 0.5 & 2.7 & 1.4 & 0.28 & \\ \object{Lupus V} & 155$^1$ & 0.36 & 1.4 & 0.7 & 0.42 & \\ \hline \multicolumn{6}{c}{Star-forming clouds, physical resolution 0.6 pc}\\ \hline \noalign{\smallskip} \object{Ori A GMC} & 450$^{11}$ & 11 & 1.4 & 2.8 & 0.5 & $>$2000 \\ \object{Per cloud} & 260$^{12}$ & 2.0 & 1.7 & 1.7 & 0.49 & $>$100 \\ \object{Ori B GMC} & 450$^{11}$ & 9.0 & 1.2 & 1.7 & 0.59 & $>$100 \\ \object{Cepheus A} & 730$^{13}$ & 3.5 & 1.5 & 1.6 & 0.47 & $>$100 \\ \object{California} & 450$^{14}$ & 11 & 1.4 & 0.7 & 0.51 & tens\\ \hline \end{tabular}} \smallskip $^a$ References: (1)~\citet{lom08b}; (2)~\citet{tor07}; (3)~\citet{str96}; (4)~\citet{knu98}; (5)~\citet{cas98}; (6)~\citet{kun98}; (7)~\citet{lom06}; (8)~\citet{mat79}; (9)~\citet{oba98}; (10)~\citet{cor97}; (11)~\citet{bur93}; (12)~\citet{cer93}; (13)~\citet{cra70}; (14)~\citet{lad09}. \\ $^b$ An order-of-magnitude estimate of the pre-main-sequence star population in the clouds, based on \citet{rei08}.\\ $^c$ No good fit was achieved. A rough estimate is given for reference.\\ $^d$ The most prominent Lynds dark nebula in the region. \end{table}