Hi Daisy,

You might look into electric fencing.  If it's a small area, you could put some up pretty inexpensively.  They run on solar and you can also use backup batteries.  It's a very temporary fix, and won't make any impact on the environment of the area you use it.

Good luck!

Joy
--
Joy and Willie (PPID/IR)
Nevada County, CA - 2019

Case history:  https://ecir.groups.io/g/CaseHistory/files/Joy%20and%20Willie
Willie's photo album:  https://ecir.groups.io/g/CaseHistory/album?id=242526