Acknowledgements

This free course was written by Allan Cochrane.

Except for third party materials and otherwise stated (see terms and conditions [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] ) and referenced in the course and in the acknowledgements section, this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence.

The material acknowledged below is Proprietary and used under licence (not subject to Creative Commons Licence). Grateful acknowledgement is made to the following sources for permission to reproduce material in this free course:

Images

Figure 1: David Novi/123rf

Figure 2: dynasoar/Getty Images

Figure 3a: Peter Reimann https://www.gazettelive.co.uk/ news/ teesside-news/ teesdale-wilderness-park-set-facelift-7654000

Figure 3b: Mike Kipling Photography/Alamy Stock Photo

Every effort has been made to contact copyright owners. If any have been inadvertently overlooked, the publishers will be pleased to make the necessary arrangements at the first opportunity.

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