The review was led by Jes\u00fas Aguirre-Guti\u00e9rrez, an associate professor at the University of Oxford<\/a>. Co-authors span the UK, Mexico, the USA, South Africa, and Japan.\u00a0<\/p>\n Countries have a data problem<\/p>\n Underneath the science is a fairly practical headache.\u00a0<\/p>\n Countries that signed onto the Kunming\u2013Montreal Global Biodiversity Framework<\/a>, the agreement behind the well-known goal of protecting 30 percent of land and sea by 2030, need some consistent way to track whether biodiversity<\/a> is actually improving.\u00a0<\/p>\n That\u2019s hard enough in your own backyard. It\u2019s a nightmare across landscapes that are remote, enormous, or nearly impossible to walk through on foot.<\/p>\n Satellites, LiDAR, radar, and airborne sensors are stepping into that gap.\u00a0<\/p>\n The review pulls together what\u2019s currently known about how these tools are being used to track ecosystem change at scale, offering something field surveys simply can\u2019t match: consistent, near-continuous eyes on huge swaths of the planet at once.<\/p>\n Why rainforests get the spotlight<\/p>\n Tropical forests<\/a> anchor the review as its central example, and it\u2019s easy to see why. They hold something like half the world\u2019s terrestrial biodiversity while covering only a sliver of Earth\u2019s land surface.\u00a0<\/p>\n At the same time, these forests are absorbing mounting pressure from climate change, land clearing<\/a>, and general disturbance.<\/p>\n What satellites are getting genuinely good at is tracking forest structure, biomass, canopy traits, and how these ecosystems actually function.\u00a0<\/p>\n That data lets researchers answer a question that\u2019s otherwise very hard to measure: how well a forest bounces back after damage, resists further disturbance, and adapts as conditions shift around it.\u00a0<\/p>\n That\u2019s essentially what ecologists mean by resilience, and space is turning out to be a surprisingly good vantage point for watching it happen.<\/p>\n Reading between the pixels<\/p>\n Satellites can also work as a kind of stand-in for biodiversity itself, offering indirect clues about functional and taxonomic diversity.<\/p>\n To a smaller extent, satellite data hints at genetic and evolutionary diversity<\/a> too.\u00a0<\/p>\n These proxy signals are becoming genuinely useful for frameworks like Essential Biodiversity Variables<\/a>, an effort to standardize how biodiversity gets measured no matter what tools or data sources are being used.<\/p>\n But a proxy is still just a proxy. The review is upfront that remote sensing, however good it\u2019s getting, doesn\u2019t add up to a full picture of biodiversity on its own.<\/p>\n What satellites still can\u2019t see<\/p>\n Some of the most fundamental questions about biodiversity remain essentially invisible from orbit.\u00a0<\/p>\n Species turnover, evolutionary history, or genetic diversity don\u2019t show up clearly in satellite data with current technology. They still require boots on the ground, researchers physically counting, sampling, and observing.<\/p>\n Thus, satellite data and field ecology aren\u2019t competing methods, they\u2019re complementary ones. Leave either out, and biodiversity assessments start to fall apart.<\/p>\n \u201cRemote sensing is transforming how we can observe biodiversity and ecosystem change at large scales,\u201d Aguirre-Guti\u00e9rrez said. <\/p>\n \u201cSatellites now provide unprecedented information on forest structure and function, helping us understand how ecosystems respond to disturbance.\u201d<\/p>\n \u201cHowever, this is not a complete solution. Many dimensions of biodiversity are still difficult to observe directly from space, which is why combining satellite data with field observations remains essential.\u201d<\/p>\n \u201cFuture satellite missions will continue to expand what we can measure, but biodiversity monitoring will always depend on integrating multiple sources of evidence.\u201d<\/p>\n The next generation of satellites<\/p>\n The review points to a new wave of satellite missions and sharper sensor technology on the way, better hyperspectral imaging, more advanced LiDAR, and improved radar systems.\u00a0<\/p>\n These upgrades should meaningfully expand what\u2019s measurable from orbit in the coming years, chipping away at some current blind spots in structural and functional monitoring.\u00a0<\/p>\n The deepest genetic and evolutionary questions, though, will likely stay out of satellite reach for a while yet.<\/p>\n Why a study like this matters<\/p>\n Forests cover roughly 31 percent of the planet\u2019s land and play a massive role in regulating climate<\/a>, which makes their health central to whether the world hits its conservation targets at all.<\/p>\n Yet right now, global biodiversity monitoring remains patchy and incomplete, especially in tropical regions, exactly the places where satellite data could theoretically help the most.<\/p>\n The authors don\u2019t pretend satellites are a silver bullet, no matter how fast the technology improves.\u00a0<\/p>\n Making the Global Biodiversity Framework actually work will mean weaving together remote sensing, field ecology, and newer frameworks like Essential Biodiversity Variables, rather than betting everything on any single approach.\u00a0<\/p>\n As Aguirre-Guti\u00e9rrez concluded, biodiversity monitoring will always come down to combining multiple sources of evidence, no matter how sharp the view from space eventually gets.<\/p>\n The study is published in the journal Nature Reviews Biodiversity<\/a>.<\/p>\n \u2014-<\/p>\n Like what you read? Subscribe to our newsletter<\/a> for engaging articles, exclusive content, and the latest updates.<\/p>\n Check us out on EarthSnap<\/a>, a free app brought to you by Eric Ralls<\/a> and Earth.com<\/a>.<\/p>\n \u2014\u2014<\/p>\n","protected":false},"excerpt":{"rendered":"There\u2019s something almost magical about watching a forest from orbit. Satellites hundreds of miles above Earth can now…\n","protected":false},"author":2,"featured_media":518612,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[111,139,69,147,392],"class_list":["post-518611","post","type-post","status-publish","format-standard","has-post-thumbnail","category-space","tag-new-zealand","tag-newzealand","tag-nz","tag-science","tag-space"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts\/518611","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/comments?post=518611"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts\/518611\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/media\/518612"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/media?parent=518611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/categories?post=518611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/tags?post=518611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n ![\"EarthSnap\"\/](\"https:\/\/www.newsbeep.com\/nz\/wp-content\/uploads\/2026\/05\/earthsnap-banner-news.webp\")
\n<\/a><\/p>\n