Dump Restore on ZFS root system

[dick]

I run a ZFS on root FreeBSD system. I know I can backup with snapshots 
but I want a dump/restore action because I want to transfer this system 
to a UFS virtual FreeBSD machine.
My question is: will dump / (root) make a dump of *ALL* other directories?

yanta# df -h
Filesystem                           Size    Used   Avail Capacity  
Mounted on
zroot                                    56G    335M     55G     1%    /
devfs                                    1.0K    1.0K      0B   100%    /dev
zroot/tmp                            56G     42M     55G     0%    /tmp
zroot/usr                              60G    4.7G     55G     8%    /usr
zroot/usr/home                  58G    2.4G     55G     4%    /usr/home
zroot/usr/ports                   56G    253M     55G     0%    /usr/ports
zroot/usr/ports/distfiles    56G    291M     55G     1%    
/usr/ports/distfiles
zroot/usr/ports/packages  55G     21K     55G     0%    /usr/ports/packages
zroot/var                              56G    571M     55G     1%    /var
zroot/var/crash                   55G     23K     55G     0%    /var/crash
zroot/var/db                        56G    337M     55G     1%    /var/db
zroot/var/db/pkg                55G    3.7M     55G     0%    /var/db/pkg
zroot/var/empty                 55G     21K     55G     0%    /var/empty
zroot/var/log                       55G    827K     55G     0%    /var/log
zroot/var/mail                     55G     22K     55G     0%    /var/mail
zroot/var/run                       55G     53K     55G     0%    /var/run
zroot/var/tmp                      55G    143K     55G     0%    /var/tmp
devfs                                      1.0K    1.0K      0B   
100%    /var/named/dev