{"id":78951,"date":"2020-05-18T12:39:17","date_gmt":"2020-05-18T17:39:17","guid":{"rendered":"https:\/\/logan-park.org\/?p=78951"},"modified":"2020-05-18T12:46:44","modified_gmt":"2020-05-18T17:46:44","slug":"example-visitor-created-trail-soil-subsidence-erosion-compaction-at-acadia-national-park","status":"publish","type":"post","link":"https:\/\/logan-park.org\/?p=78951","title":{"rendered":"Example: Visitor-Created Trail Soil Subsidence (Erosion + Compaction) at Acadia National Park"},"content":{"rendered":"\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"750\" height=\"422\" src=\"https:\/\/www.youtube.com\/embed\/rzrSN7d_YEU?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This is an example of a &#8220;Condition Class 5&#8221; (active erosional processes underway) trail segment in saturated subalpine acidic soil over granite (insoluble, low pH buffering) parent material. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These roots shouldn&#8217;t be visible and degloved (bark stripped off by lugged boot sole trampling) under natural\/non-trampled conditions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Site: Forested shoreline east of Bass Harbor Head Lighthouse, Mount Desert Island Unit, Acadia National Park, Maine, USNPS<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">44\u00b0 13&#8242; 19.92&#8243; N, 68\u00b0 20&#8242; 8.16&#8243; W, <a href=\"https:\/\/earth.google.com\/earth\/rpc\/cc\/drive?state=%7B%22ids%22%3A%5B%221U2xAcEfkFqoWX0vE1q6FqrmlU0WOSAYa%22%5D%2C%22action%22%3A%22open%22%2C%22userId%22%3A%22101705850131442756497%22%7D&amp;usp=sharing\" target=\"_blank\" rel=\"noreferrer noopener\">3D Interactive Onsite Google Earth<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Video: Logan Park 2018<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is an example of a &#8220;Condition Class 5&#8221; (active erosional processes underway) trail segment in saturated subalpine acidic soil over granite (insoluble, low pH buffering) parent material. These roots shouldn&#8217;t be visible and degloved (bark stripped off by lugged boot sole trampling) under natural\/non-trampled conditions. Site: Forested shoreline east of Bass Harbor Head Lighthouse,&hellip; <a class=\"more-link\" href=\"https:\/\/logan-park.org\/?p=78951\">Continue reading <span class=\"screen-reader-text\">Example: Visitor-Created Trail Soil Subsidence (Erosion + Compaction) at Acadia National Park<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"episode_type":"","audio_file":"","podmotor_file_id":"","podmotor_episode_id":"","cover_image":"","cover_image_id":"","duration":"","filesize":"","filesize_raw":"","date_recorded":"","explicit":"","block":"","itunes_episode_number":"","itunes_title":"","itunes_season_number":"","itunes_episode_type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[2,54],"tags":[],"class_list":["post-78951","post","type-post","status-publish","format-standard","hentry","category-classes-i-teach","category-teaching","entry"],"jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/p2vETr-kxp","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":79045,"url":"https:\/\/logan-park.org\/?p=79045","url_meta":{"origin":78951,"position":0},"title":"Example Forest Infrastructure: Beehive Trail at Acadia National Park","author":"Logan","date":"2020-05-22","format":false,"excerpt":"Orientation & Wayfinding signage, purely informationalOrientation: Where am I?Wayfinding: How do I get where I want to go?Condition Class 5 trail: active erosion, soil profile truncationRock cairnOrientation marker where trees are sparseThis is specifically a Bates cairn, pioneered by Waldron Bates at Acadia.2 foot stones, a lintel to bridge them,\u2026","rel":"","context":"In &quot;Classes I Teach&quot;","block_context":{"text":"Classes I Teach","link":"https:\/\/logan-park.org\/?cat=2"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_20140525_100703-scaled.jpeg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_20140525_100703-scaled.jpeg?resize=350%2C200 1x, https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_20140525_100703-scaled.jpeg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_20140525_100703-scaled.jpeg?resize=700%2C400 2x, https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_20140525_100703-scaled.jpeg?resize=1050%2C600 3x, https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_20140525_100703-scaled.jpeg?resize=1400%2C800 4x"},"classes":[]},{"id":78979,"url":"https:\/\/logan-park.org\/?p=78979","url_meta":{"origin":78951,"position":1},"title":"Interpreting Peregrine Falcon Cliff-Nesting Sites at Acadia National Park","author":"Logan","date":"2020-05-19","format":false,"excerpt":"Park staff close the wildly popular via ferrata (off-harness\/nontechincal climbing route) Precipice Trail seasonally to protect the peregrine falcon nesting sites using the same cliffline. https:\/\/www.youtube.com\/watch?v=tq6KSM7p-FQ&feature=youtu.be https:\/\/www.youtube.com\/watch?v=TrzNcngVGRQ They also work hard to contact visitors here, armed with spotting scopes, to explain why the trail is closed. Visitors behave much more\u2026","rel":"","context":"In &quot;Classes I Teach&quot;","block_context":{"text":"Classes I Teach","link":"https:\/\/logan-park.org\/?cat=2"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/tq6KSM7p-FQ\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":78962,"url":"https:\/\/logan-park.org\/?p=78962","url_meta":{"origin":78951,"position":2},"title":"Crustose and fruticose lichens generate soil from bare bedrock and die with a single step","author":"Logan","date":"2020-05-18","format":false,"excerpt":"https:\/\/youtu.be\/J9nOj1eW1Ig Site: Bass Harbor Head, Mount Desert Island Unit, Acadia National Park, Maine, 44\u00b0 13' 20.64\" N 68\u00b0 20' 2.04\" W 3D \u00a0Interactive Google Earth Onsite","rel":"","context":"In &quot;Classes I Teach&quot;","block_context":{"text":"Classes I Teach","link":"https:\/\/logan-park.org\/?cat=2"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/J9nOj1eW1Ig\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":78986,"url":"https:\/\/logan-park.org\/?p=78986","url_meta":{"origin":78951,"position":3},"title":"Woodpeckers searching for cambium-infesting insects create opportunities for other insects","author":"Logan","date":"2020-05-19","format":false,"excerpt":"https:\/\/youtu.be\/DdKigqJKJ2U Site: Visitor-Created Trail, Bass Harbor Head, Mount Desert Island Unit, Acadia National Park, Maine, USNPS 44\u00b0 13' 25.68\" N 68\u00b0 19' 55.56\" W Video: Logan Park 2018 3D Interactive Google Earth Onsite","rel":"","context":"In &quot;Classes I Teach&quot;","block_context":{"text":"Classes I Teach","link":"https:\/\/logan-park.org\/?cat=2"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/DdKigqJKJ2U\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":79033,"url":"https:\/\/logan-park.org\/?p=79033","url_meta":{"origin":78951,"position":4},"title":"Example Summit Sunrise Vista Site Atop Cadillac Mountain, Acadia National Park","author":"Logan","date":"2020-05-21","format":false,"excerpt":"https:\/\/youtu.be\/R44T5XjSgMA https:\/\/youtu.be\/haWyS4Yrm4c https:\/\/youtu.be\/QgeFPtKArds https:\/\/youtu.be\/LcmGqEcaysQ https:\/\/youtu.be\/Hv-uYWNUTmE https:\/\/youtu.be\/1JMe8rf2UZI https:\/\/youtu.be\/cptOkAztDug Sunrise vistas are among the most popular activity sites at national forests and parks; the reward-to-effort ratio is typically very high. On the way to a comfortable perch, visitors can cause crowding and conflict by competing for desirable sites. One usual effect is\u2026","rel":"","context":"In &quot;Classes I Teach&quot;","block_context":{"text":"Classes I Teach","link":"https:\/\/logan-park.org\/?cat=2"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_3762-scaled.jpeg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_3762-scaled.jpeg?resize=350%2C200 1x, https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_3762-scaled.jpeg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_3762-scaled.jpeg?resize=700%2C400 2x, https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_3762-scaled.jpeg?resize=1050%2C600 3x, https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_3762-scaled.jpeg?resize=1400%2C800 4x"},"classes":[]},{"id":78988,"url":"https:\/\/logan-park.org\/?p=78988","url_meta":{"origin":78951,"position":5},"title":"Example Vista: Sunset at Blue Hill Overlook at Acadia National Park","author":"Logan","date":"2020-05-19","format":false,"excerpt":"Blue Hill Overlook is managed as developed frontcountry sacrifice zone: demand is so high to view sunsets here--for 2+ million visitors annually--that heavy use and the associated vegetation & soil impacts are concentrated here to protect other, similarly fragile areas nearby. The use is concentrated onto naturally impact-resistant pink granite\u2026","rel":"","context":"In &quot;Classes I Teach&quot;","block_context":{"text":"Classes I Teach","link":"https:\/\/logan-park.org\/?cat=2"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_3834-scaled.jpeg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_3834-scaled.jpeg?resize=350%2C200 1x, https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_3834-scaled.jpeg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_3834-scaled.jpeg?resize=700%2C400 2x, https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_3834-scaled.jpeg?resize=1050%2C600 3x, https:\/\/i0.wp.com\/logan-park.org\/wp-content\/uploads\/2020\/05\/IMG_3834-scaled.jpeg?resize=1400%2C800 4x"},"classes":[]}],"jetpack_likes_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/logan-park.org\/index.php?rest_route=\/wp\/v2\/posts\/78951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/logan-park.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/logan-park.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/logan-park.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/logan-park.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=78951"}],"version-history":[{"count":2,"href":"https:\/\/logan-park.org\/index.php?rest_route=\/wp\/v2\/posts\/78951\/revisions"}],"predecessor-version":[{"id":78953,"href":"https:\/\/logan-park.org\/index.php?rest_route=\/wp\/v2\/posts\/78951\/revisions\/78953"}],"wp:attachment":[{"href":"https:\/\/logan-park.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=78951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/logan-park.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=78951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/logan-park.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=78951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}