div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=australian-journal-of-marine-and-freshwater-research-57999ecd368fehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Australian Journal of Marine and Freshwater Research loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentssitereader031viewer2022020522575067f81a28ab0f07adfd33html5thumbnails1jpg width=140 height=200 divp© 1950 Nature Publishing Grouppdiv