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<div><div dir=3D"ltr"&g --_000_8CF490870F354F23983A41854A9B7D60dalca_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Updating more general work earlier with similar prognoses, a recent more sp= ecific publication in a major journal below* records a serious (34-36%) dec= line in arthropod/insect species richness, in just the one decade sampled, = 2008-2016/7. This is from a large number of sites (in protected grasslands= mainly in nature reserves, but adjacent to farming) and in forests in Germ= any. The measured declines in biomass and in the number of individuals in = grasslands was even more severe in that decade, 67% and 78%, respectively, = though less marked in forests. Over 1 million individuals were counted con= tained in 2675 species. The authors tie this decline to broad-scale land use and agricultural pract= ices/ development. Kunin** comments upon the implications for the food web, including on polli= nation and on observed declines in insect-eating birds and in arthropod-pol= linated plants. *Seibold, S. et al (19 authors) (2019) Arthropod decline in grasslands and = forests is associated with landscape-level drivers. Nature 574: 671-4 (31 = Oct 2019). **Kunin, W.E., ibid., page 641-2. Commentary on this work. --_000_8CF490870F354F23983A41854A9B7D60dalca_ Content-Type: text/html; charset="us-ascii" Content-ID: <5C4EF315AACDA043865FD7044FD97D17@CANPRD01.PROD.OUTLOOK.COM> Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"= > </head> <body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-lin= e-break: after-white-space;"> <div> <div>Updating more general work earlier with similar prognoses, a recent mo= re specific publication in a major journal below* records a serious (34-36%= ) decline in arthropod/insect <i>species richness, </i>in just the one decade sampled, 2008-2016/7. = This is from a large number of sites (in protected grasslands mainly = in nature reserves, but adjacent to farming) and in forests in Germany. &nb= sp;The measured declines in <i>biomass</i> and in <i>the number of individuals </i>in grasslands w= as even more severe in that decade, 67% and 78%, respectively, though less = marked in forests. Over 1 million individuals were counted contained = in 2675 species. </div> <div>The authors tie this decline to broad-scale land use and agricultural = practices/ development.</div> <div><br> </div> <div>Kunin** comments upon the implications for the food web, including on = pollination and on observed declines in insect-eating birds and in arthropo= d-pollinated plants.</div> <div><br> </div> <div>*Seibold, S. et al (19 authors) (2019) Arthropod decline in grasslands= and forests is associated with landscape-level drivers. Nature 574: = 671-4 (31 Oct 2019).</div> <div>**Kunin, W.E., ibid., page 641-2. Commentary on this work.</div> </div> </body> </html> --_000_8CF490870F354F23983A41854A9B7D60dalca_--
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