Anghai Municipal Institute of Surveying and Mapping, Shanghai 200063, China; [email protected] (C.P.); [email protected] (L.X.) Correspondence:

Anghai Municipal Institute of Surveying and Mapping, Shanghai 200063, China; [email protected] (C.P.); [email protected] (L.X.) Correspondence: [email protected]: Ji, R.; Tan, K.; Wang, X.; Pan, C.; Xin, L. Spatiotemporal Monitoring of a Ritanserin In stock Grassland Ecosystem and Its Net Major Production Employing Google Earth Engine: A Case Study of Inner Mongolia from 2000 to 2020. Remote Sens. 2021, 13, 4480. https:// doi.org/10.3390/rs13214480 Academic Editor: Maria Laura Carranza Received: two September 2021 Accepted: four November 2021 Published: 8 NovemberAbstract: Grassland ecosystems are a significant element on the worldwide ecosystem and support the livelihoods of millions of people today. The Inner Mongolia grassland may be the biggest temperate grassland in the world, and an essential ecological barrier for China, but resulting from human activities and climate transform it has been faced with an ecological crisis in current years. In this study, a modified CarnegieAmes-Stanford approach (CASA) model based on the Google Earth Engine platform was employed to determine the net key production (NPP) in the Inner Mongolia grassland from 2000 to 2020. The outcomes show that the average annual NPP of your Inner Mongolia grassland is 278.63 g C/m2 , and 83.22 from the total area has shown an growing trend during the study period. We also analyzed the influence of land-use/cover alter (LUCC) and climatic components on NPP. We discovered that: (1) the total region of grassland increased from 2000 to 2010 after which decreased from 2010 to 2020. Throughout the whole study period, though the grassland location elevated slightly by 4728.69 km2 since of LUCC, the overall impact of LUCC on grassland NPP was unfavorable, using a loss of 17.63 Tg C compared to an increase of 16.38 Tg C. (two) The primary meteorological factor affecting the NPP of the Inner Mongolia grassland is precipitation, followed by sunshine duration and temperature. About 97.06 on the grassland shows a good correlation in between NPP and precipitation. (3) The outcomes for NPP and its changing trends are usually not totally constant inside the long- and short-term study periods. Thinking of the instability of grassland Ionomycin Activator growth, it is necessary to take the periodic variation of precipitation into account when studying NPP. These benefits could deliver basic info for policy formulation and scientific research in to the ecological environment management of grassland locations inside the future. Keywords: net primary production; LUCC; remote sensing; CASA; Google Earth Engine; Inner MongoliaPublisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.1. Introduction Grassland ecosystems are among essentially the most critical components on the worldwide land ecosystem, covering almost 25 from the land surface in the Earth, however they are sensitive to global alter [1,2]. Grassland ecosystems also play a crucial function in international carbon cycling, holding 10 of your global carbon stocks [1,3,4]. Grasslands also present an enormous material basis for human survival and assistance the livelihoods of more than 1 billion folks [5,6]. Even so, as a result of global population growth, quite a few grasslands present a degradation trend [5,7]. China is actually a country with wealthy grassland resources, which account for about 40 of the total land region in China [8,9]. Inner Mongolia has the second largest region of grassland and also the largest location of pasture in China, in which roughly 66 on the total region is covedCopyright: 2021 by the authors. Licensee.