Landgänge were in former times - when the ships were designed for individual goal ports more slowly, but more than today, for the crew an often here-wished, but rarer pleasure than e.g. with today's cruises. Always were not all sailors time-fairly back - the port taverns lived finally on them.
For Mitreisende of private yachts actual from the children apart - a Landgang often also connected with purchase stress, and for the Skipper before with the harbour dues. If the boat is not well stowed, the Landgang can end however times with a Platsch.
Also in biology one knows the Landgang -
For example that some plants before 400 to 1300 million years. Even if they are ashore gone not word by word and individually , but in evolutionary generation steps “from the water”… see ORF, Landgang of the first plants before 700 millions Years.
The dilemma, whether the plants, Moose and lichens now exactly 300,000,000 years sooner or later created it, saves Biblical creation history. In the genesis (Gen.1, 11) God speaks “simply” to in former times the “ dry country” divorced of the sea that the earth green lets out-sprout. And it brought green out , seed-basic plants of most diverse kind, and trees… And God saw that it was good.
After some US researchers also fish are to have put up their body with the help of strong fins and to have conquered so the firm country . Private homepage interprets this all too drastically: Fish trained with couch-support for the Landgang (: -;)